Matematika Dasar Contoh

$10$ ,

$11$ ,

$12$ ,

$13$ ,

$14$ ,

$15$ ,

$16$ ,

$17$ ,

$18$ ,

$25$

Langkah 1

Rata-rata dari himpunan bilangan adalah jumlah dibagi dengan banyaknya suku.

$\overline{x} = \frac{10 + 11 + 12 + 12 + 13 + 13 + 13 + 14 + 14 + 14 + 15 + 15 + 15 + 15 + 15 + 16 + 16 + 16 + 17 + 17 + 17 + 17 + 18 + 18 + 25}{25}$

Langkah 2

Sederhanakan pembilangnya.

Ketuk untuk lebih banyak langkah...

Langkah 2.1

Tambahkan

$10$ dan

$11$ .

$\overline{x} = \frac{21 + 12 + 12 + 13 + 13 + 13 + 14 + 14 + 14 + 15 + 15 + 15 + 15 + 15 + 16 + 16 + 16 + 17 + 17 + 17 + 17 + 18 + 18 + 25}{25}$

Langkah 2.2

Tambahkan

$21$ dan

$12$ .

$\overline{x} = \frac{33 + 12 + 13 + 13 + 13 + 14 + 14 + 14 + 15 + 15 + 15 + 15 + 15 + 16 + 16 + 16 + 17 + 17 + 17 + 17 + 18 + 18 + 25}{25}$

Langkah 2.3

Tambahkan

$33$ dan

$12$ .

$\overline{x} = \frac{45 + 13 + 13 + 13 + 14 + 14 + 14 + 15 + 15 + 15 + 15 + 15 + 16 + 16 + 16 + 17 + 17 + 17 + 17 + 18 + 18 + 25}{25}$

Langkah 2.4

Tambahkan

$45$ dan

$13$ .

$\overline{x} = \frac{58 + 13 + 13 + 14 + 14 + 14 + 15 + 15 + 15 + 15 + 15 + 16 + 16 + 16 + 17 + 17 + 17 + 17 + 18 + 18 + 25}{25}$

Langkah 2.5

Tambahkan

$58$ dan

$13$ .

$\overline{x} = \frac{71 + 13 + 14 + 14 + 14 + 15 + 15 + 15 + 15 + 15 + 16 + 16 + 16 + 17 + 17 + 17 + 17 + 18 + 18 + 25}{25}$

Langkah 2.6

Tambahkan

$71$ dan

$13$ .

$\overline{x} = \frac{84 + 14 + 14 + 14 + 15 + 15 + 15 + 15 + 15 + 16 + 16 + 16 + 17 + 17 + 17 + 17 + 18 + 18 + 25}{25}$

Langkah 2.7

Tambahkan

$84$ dan

$14$ .

$\overline{x} = \frac{98 + 14 + 14 + 15 + 15 + 15 + 15 + 15 + 16 + 16 + 16 + 17 + 17 + 17 + 17 + 18 + 18 + 25}{25}$

Langkah 2.8

Tambahkan

$98$ dan

$14$ .

$\overline{x} = \frac{112 + 14 + 15 + 15 + 15 + 15 + 15 + 16 + 16 + 16 + 17 + 17 + 17 + 17 + 18 + 18 + 25}{25}$

Langkah 2.9

Tambahkan

$112$ dan

$14$ .

$\overline{x} = \frac{126 + 15 + 15 + 15 + 15 + 15 + 16 + 16 + 16 + 17 + 17 + 17 + 17 + 18 + 18 + 25}{25}$

Langkah 2.10

Tambahkan

$126$ dan

$15$ .

$\overline{x} = \frac{141 + 15 + 15 + 15 + 15 + 16 + 16 + 16 + 17 + 17 + 17 + 17 + 18 + 18 + 25}{25}$

Langkah 2.11

Tambahkan

$141$ dan

$15$ .

$\overline{x} = \frac{156 + 15 + 15 + 15 + 16 + 16 + 16 + 17 + 17 + 17 + 17 + 18 + 18 + 25}{25}$

Langkah 2.12

Tambahkan

$156$ dan

$15$ .

$\overline{x} = \frac{171 + 15 + 15 + 16 + 16 + 16 + 17 + 17 + 17 + 17 + 18 + 18 + 25}{25}$

Langkah 2.13

Tambahkan

$171$ dan

$15$ .

$\overline{x} = \frac{186 + 15 + 16 + 16 + 16 + 17 + 17 + 17 + 17 + 18 + 18 + 25}{25}$

Langkah 2.14

Tambahkan

$186$ dan

$15$ .

$\overline{x} = \frac{201 + 16 + 16 + 16 + 17 + 17 + 17 + 17 + 18 + 18 + 25}{25}$

Langkah 2.15

Tambahkan

$201$ dan

$16$ .

$\overline{x} = \frac{217 + 16 + 16 + 17 + 17 + 17 + 17 + 18 + 18 + 25}{25}$

Langkah 2.16

Tambahkan

$217$ dan

$16$ .

$\overline{x} = \frac{233 + 16 + 17 + 17 + 17 + 17 + 18 + 18 + 25}{25}$

Langkah 2.17

Tambahkan

$233$ dan

$16$ .

$\overline{x} = \frac{249 + 17 + 17 + 17 + 17 + 18 + 18 + 25}{25}$

Langkah 2.18

Tambahkan

$249$ dan

$17$ .

$\overline{x} = \frac{266 + 17 + 17 + 17 + 18 + 18 + 25}{25}$

Langkah 2.19

Tambahkan

$266$ dan

$17$ .

$\overline{x} = \frac{283 + 17 + 17 + 18 + 18 + 25}{25}$

Langkah 2.20

Tambahkan

$283$ dan

$17$ .

$\overline{x} = \frac{300 + 17 + 18 + 18 + 25}{25}$

Langkah 2.21

Tambahkan

$300$ dan

$17$ .

$\overline{x} = \frac{317 + 18 + 18 + 25}{25}$

Langkah 2.22

Tambahkan

$317$ dan

$18$ .

$\overline{x} = \frac{335 + 18 + 25}{25}$

Langkah 2.23

Tambahkan

$335$ dan

$18$ .

$\overline{x} = \frac{353 + 25}{25}$

Langkah 2.24

Tambahkan

$353$ dan

$25$ .

$\overline{x} = \frac{378}{25}$

Langkah 3

Bagilah.

$\overline{x} = 15.12$

Langkah 4

Rata-rata harus dibulatkan ke satu tempat desimal yang lebih dari data asli. Jika data aslinya dicampur, bulatkan ke satu tempat desimal lebih dari yang paling tidak tepat.

$\overline{x} = 15.1$

Langkah 5

Tulis rumus variansnya. Varians dari himpunan nilai adalah ukuran penyebaran dari nilai-nilai tersebut.

$s^{2} = \sum_{i = 1}^{n} \frac{{(x_{i} - x_{a v g})}^{2}}{n - 1}$

Langkah 6

Tulis rumus varians untuk himpunan bilangan ini.

$s = \frac{{(10 - 15.1)}^{2} + {(11 - 15.1)}^{2} + {(12 - 15.1)}^{2} + {(12 - 15.1)}^{2} + {(13 - 15.1)}^{2} + {(13 - 15.1)}^{2} + {(13 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

Langkah 7

Sederhanakan hasilnya.

Ketuk untuk lebih banyak langkah...

Langkah 7.1

Sederhanakan pembilangnya.

Ketuk untuk lebih banyak langkah...

Langkah 7.1.1

Kurangi

$15.1$ dengan

$10$ .

$s = \frac{{(- 5.1)}^{2} + {(11 - 15.1)}^{2} + {(12 - 15.1)}^{2} + {(12 - 15.1)}^{2} + {(13 - 15.1)}^{2} + {(13 - 15.1)}^{2} + {(13 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

Langkah 7.1.2

Naikkan

$- 5.1$ menjadi pangkat

$2$ .

$s = \frac{26.01 + {(11 - 15.1)}^{2} + {(12 - 15.1)}^{2} + {(12 - 15.1)}^{2} + {(13 - 15.1)}^{2} + {(13 - 15.1)}^{2} + {(13 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

Langkah 7.1.3

Kurangi

$15.1$ dengan

$11$ .

$s = \frac{26.01 + {(- 4.1)}^{2} + {(12 - 15.1)}^{2} + {(12 - 15.1)}^{2} + {(13 - 15.1)}^{2} + {(13 - 15.1)}^{2} + {(13 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

Langkah 7.1.4

Naikkan

$- 4.1$ menjadi pangkat

$2$ .

$s = \frac{26.01 + 16.81 + {(12 - 15.1)}^{2} + {(12 - 15.1)}^{2} + {(13 - 15.1)}^{2} + {(13 - 15.1)}^{2} + {(13 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

Langkah 7.1.5

Kurangi

$15.1$ dengan

$12$ .

$s = \frac{26.01 + 16.81 + {(- 3.1)}^{2} + {(12 - 15.1)}^{2} + {(13 - 15.1)}^{2} + {(13 - 15.1)}^{2} + {(13 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

Langkah 7.1.6

Naikkan

$- 3.1$ menjadi pangkat

$2$ .

$s = \frac{26.01 + 16.81 + 9.61 + {(12 - 15.1)}^{2} + {(13 - 15.1)}^{2} + {(13 - 15.1)}^{2} + {(13 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

Langkah 7.1.7

Kurangi

$15.1$ dengan

$12$ .

$s = \frac{26.01 + 16.81 + 9.61 + {(- 3.1)}^{2} + {(13 - 15.1)}^{2} + {(13 - 15.1)}^{2} + {(13 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

Langkah 7.1.8

Naikkan

$- 3.1$ menjadi pangkat

$2$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + {(13 - 15.1)}^{2} + {(13 - 15.1)}^{2} + {(13 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

Langkah 7.1.9

Kurangi

$15.1$ dengan

$13$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + {(- 2.1)}^{2} + {(13 - 15.1)}^{2} + {(13 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

Langkah 7.1.10

Naikkan

$- 2.1$ menjadi pangkat

$2$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + {(13 - 15.1)}^{2} + {(13 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

Langkah 7.1.11

Kurangi

$15.1$ dengan

$13$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + {(- 2.1)}^{2} + {(13 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

Langkah 7.1.12

Naikkan

$- 2.1$ menjadi pangkat

$2$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + {(13 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

Langkah 7.1.13

Kurangi

$15.1$ dengan

$13$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + {(- 2.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

Langkah 7.1.14

Naikkan

$- 2.1$ menjadi pangkat

$2$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

Langkah 7.1.15

Kurangi

$15.1$ dengan

$14$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + {(- 1.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

Langkah 7.1.16

Naikkan

$- 1.1$ menjadi pangkat

$2$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

Langkah 7.1.17

Kurangi

$15.1$ dengan

$14$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + {(- 1.1)}^{2} + {(14 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

Langkah 7.1.18

Naikkan

$- 1.1$ menjadi pangkat

$2$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + {(14 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

Langkah 7.1.19

Kurangi

$15.1$ dengan

$14$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + {(- 1.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

Langkah 7.1.20

Naikkan

$- 1.1$ menjadi pangkat

$2$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

Langkah 7.1.21

Kurangi

$15.1$ dengan

$15$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + {(- 0.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

Langkah 7.1.22

Naikkan

$- 0.1$ menjadi pangkat

$2$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

Langkah 7.1.23

Kurangi

$15.1$ dengan

$15$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + {(- 0.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

Langkah 7.1.24

Naikkan

$- 0.1$ menjadi pangkat

$2$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

Langkah 7.1.25

Kurangi

$15.1$ dengan

$15$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + {(- 0.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

Langkah 7.1.26

Naikkan

$- 0.1$ menjadi pangkat

$2$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

Langkah 7.1.27

Kurangi

$15.1$ dengan

$15$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + {(- 0.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

Langkah 7.1.28

Naikkan

$- 0.1$ menjadi pangkat

$2$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

Langkah 7.1.29

Kurangi

$15.1$ dengan

$15$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + {(- 0.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

Langkah 7.1.30

Naikkan

$- 0.1$ menjadi pangkat

$2$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

Langkah 7.1.31

Kurangi

$15.1$ dengan

$16$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + {0.9}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

Langkah 7.1.32

Naikkan

$0.9$ menjadi pangkat

$2$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

Langkah 7.1.33

Kurangi

$15.1$ dengan

$16$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + {0.9}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

Langkah 7.1.34

Naikkan

$0.9$ menjadi pangkat

$2$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

Langkah 7.1.35

Kurangi

$15.1$ dengan

$16$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + {0.9}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

Langkah 7.1.36

Naikkan

$0.9$ menjadi pangkat

$2$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + 0.81 + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

Langkah 7.1.37

Kurangi

$15.1$ dengan

$17$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + 0.81 + {1.9}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

Langkah 7.1.38

Naikkan

$1.9$ menjadi pangkat

$2$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + 0.81 + 3.61 + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

Langkah 7.1.39

Kurangi

$15.1$ dengan

$17$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + 0.81 + 3.61 + {1.9}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

Langkah 7.1.40

Naikkan

$1.9$ menjadi pangkat

$2$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + 0.81 + 3.61 + 3.61 + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

Langkah 7.1.41

Kurangi

$15.1$ dengan

$17$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + 0.81 + 3.61 + 3.61 + {1.9}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

Langkah 7.1.42

Naikkan

$1.9$ menjadi pangkat

$2$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + 0.81 + 3.61 + 3.61 + 3.61 + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

Langkah 7.1.43

Kurangi

$15.1$ dengan

$17$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + 0.81 + 3.61 + 3.61 + 3.61 + {1.9}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

Langkah 7.1.44

Naikkan

$1.9$ menjadi pangkat

$2$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + 0.81 + 3.61 + 3.61 + 3.61 + 3.61 + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

Langkah 7.1.45

Kurangi

$15.1$ dengan

$18$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + 0.81 + 3.61 + 3.61 + 3.61 + 3.61 + {2.9}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

Langkah 7.1.46

Naikkan

$2.9$ menjadi pangkat

$2$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + 0.81 + 3.61 + 3.61 + 3.61 + 3.61 + 8.41 + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

Langkah 7.1.47

Kurangi

$15.1$ dengan

$18$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + 0.81 + 3.61 + 3.61 + 3.61 + 3.61 + 8.41 + {2.9}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

Langkah 7.1.48

Naikkan

$2.9$ menjadi pangkat

$2$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + 0.81 + 3.61 + 3.61 + 3.61 + 3.61 + 8.41 + 8.41 + {(25 - 15.1)}^{2}}{25 - 1}$

Langkah 7.1.49

Kurangi

$15.1$ dengan

$25$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + 0.81 + 3.61 + 3.61 + 3.61 + 3.61 + 8.41 + 8.41 + {9.9}^{2}}{25 - 1}$

Langkah 7.1.50

Naikkan

$9.9$ menjadi pangkat

$2$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + 0.81 + 3.61 + 3.61 + 3.61 + 3.61 + 8.41 + 8.41 + 98.01}{25 - 1}$

Langkah 7.1.51

Tambahkan

$26.01$ dan

$16.81$ .

$s = \frac{42.82 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + 0.81 + 3.61 + 3.61 + 3.61 + 3.61 + 8.41 + 8.41 + 98.01}{25 - 1}$

Langkah 7.1.52

Tambahkan

$42.82$ dan

$9.61$ .

$s = \frac{52.43 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + 0.81 + 3.61 + 3.61 + 3.61 + 3.61 + 8.41 + 8.41 + 98.01}{25 - 1}$

Langkah 7.1.53

Tambahkan

$52.43$ dan

$9.61$ .

$s = \frac{62.04 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + 0.81 + 3.61 + 3.61 + 3.61 + 3.61 + 8.41 + 8.41 + 98.01}{25 - 1}$

Langkah 7.1.54

Tambahkan

$62.04$ dan

$4.41$ .

$s = \frac{66.45 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + 0.81 + 3.61 + 3.61 + 3.61 + 3.61 + 8.41 + 8.41 + 98.01}{25 - 1}$

Langkah 7.1.55

Tambahkan

$66.45$ dan

$4.41$ .

$s = \frac{70.86 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + 0.81 + 3.61 + 3.61 + 3.61 + 3.61 + 8.41 + 8.41 + 98.01}{25 - 1}$

Langkah 7.1.56

Tambahkan

$70.86$ dan

$4.41$ .

$s = \frac{75.27 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + 0.81 + 3.61 + 3.61 + 3.61 + 3.61 + 8.41 + 8.41 + 98.01}{25 - 1}$

Langkah 7.1.57

Tambahkan

$75.27$ dan

$1.21$ .

$s = \frac{76.48 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + 0.81 + 3.61 + 3.61 + 3.61 + 3.61 + 8.41 + 8.41 + 98.01}{25 - 1}$

Langkah 7.1.58

Tambahkan

$76.48$ dan

$1.21$ .

$s = \frac{77.69 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + 0.81 + 3.61 + 3.61 + 3.61 + 3.61 + 8.41 + 8.41 + 98.01}{25 - 1}$

Langkah 7.1.59

Tambahkan

$77.69$ dan

$1.21$ .

$s = \frac{78.9 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + 0.81 + 3.61 + 3.61 + 3.61 + 3.61 + 8.41 + 8.41 + 98.01}{25 - 1}$

Langkah 7.1.60

Tambahkan

$78.9$ dan

$0.01$ .

$s = \frac{78.91 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + 0.81 + 3.61 + 3.61 + 3.61 + 3.61 + 8.41 + 8.41 + 98.01}{25 - 1}$

Langkah 7.1.61

Tambahkan

$78.91$ dan

$0.01$ .

$s = \frac{78.92 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + 0.81 + 3.61 + 3.61 + 3.61 + 3.61 + 8.41 + 8.41 + 98.01}{25 - 1}$

Langkah 7.1.62

Tambahkan

$78.92$ dan

$0.01$ .

$s = \frac{78.93 + 0.01 + 0.01 + 0.81 + 0.81 + 0.81 + 3.61 + 3.61 + 3.61 + 3.61 + 8.41 + 8.41 + 98.01}{25 - 1}$

Langkah 7.1.63

Tambahkan

$78.93$ dan

$0.01$ .

$s = \frac{78.94 + 0.01 + 0.81 + 0.81 + 0.81 + 3.61 + 3.61 + 3.61 + 3.61 + 8.41 + 8.41 + 98.01}{25 - 1}$

Langkah 7.1.64

Tambahkan

$78.94$ dan

$0.01$ .

$s = \frac{78.95 + 0.81 + 0.81 + 0.81 + 3.61 + 3.61 + 3.61 + 3.61 + 8.41 + 8.41 + 98.01}{25 - 1}$

Langkah 7.1.65

Tambahkan

$78.95$ dan

$0.81$ .

$s = \frac{79.76 + 0.81 + 0.81 + 3.61 + 3.61 + 3.61 + 3.61 + 8.41 + 8.41 + 98.01}{25 - 1}$

Langkah 7.1.66

Tambahkan

$79.76$ dan

$0.81$ .

$s = \frac{80.57 + 0.81 + 3.61 + 3.61 + 3.61 + 3.61 + 8.41 + 8.41 + 98.01}{25 - 1}$

Langkah 7.1.67

Tambahkan

$80.57$ dan

$0.81$ .

$s = \frac{81.38 + 3.61 + 3.61 + 3.61 + 3.61 + 8.41 + 8.41 + 98.01}{25 - 1}$

Langkah 7.1.68

Tambahkan

$81.38$ dan

$3.61$ .

$s = \frac{84.99 + 3.61 + 3.61 + 3.61 + 8.41 + 8.41 + 98.01}{25 - 1}$

Langkah 7.1.69

Tambahkan

$84.99$ dan

$3.61$ .

$s = \frac{88.6 + 3.61 + 3.61 + 8.41 + 8.41 + 98.01}{25 - 1}$

Langkah 7.1.70

Tambahkan

$88.6$ dan

$3.61$ .

$s = \frac{92.21 + 3.61 + 8.41 + 8.41 + 98.01}{25 - 1}$

Langkah 7.1.71

Tambahkan

$92.21$ dan

$3.61$ .

$s = \frac{95.82 + 8.41 + 8.41 + 98.01}{25 - 1}$

Langkah 7.1.72

Tambahkan

$95.82$ dan

$8.41$ .

$s = \frac{104.23 + 8.41 + 98.01}{25 - 1}$

Langkah 7.1.73

Tambahkan

$104.23$ dan

$8.41$ .

$s = \frac{112.64 + 98.01}{25 - 1}$

Langkah 7.1.74

Tambahkan

$112.64$ dan

$98.01$ .

$s = \frac{210.65}{25 - 1}$

Langkah 7.2

Sederhanakan pernyataannya.

Ketuk untuk lebih banyak langkah...

Langkah 7.2.1

Kurangi

$1$ dengan

$25$ .

$s = \frac{210.65}{24}$

Langkah 7.2.2

Bagilah

$210.65$ dengan

$24$ .

$s = 8.77708\overline{3}$

Langkah 8

Perkirakan hasilnya.

$s^{2} \approx 8.7771$