Basic Math Examples

$5$ , $5$ , $4.9$ , $5.1$ , $5$ , $5$ , $4.8$ , $4.7$ , $4.7$ , $4.7$ , $4.4$ , $4.7$ , $4.6$ , $4.7$ , $4.7$ , $4.7$ , $4.8$ , $4.7$ , $5$ , $4.9$ , $4.8$ , $5.1$ , $5$ , $5.5$

Step 1

The mean of a set of numbers is the sum divided by the number of terms.

$\frac{5 + 5 + 4.9 + 5.1 + 5 + 5 + 4.8 + 4.7 + 4.7 + 4.7 + 4.4 + 4.7 + 4.6 + 4.7 + 4.7 + 4.7 + 4.8 + 4.7 + 5 + 4.9 + 4.8 + 5.1 + 5 + 5.5}{24}$

Step 2

Simplify the numerator.

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Step 2.1

Add $5$ and $5$ .

$\frac{10 + 4.9 + 5.1 + 5 + 5 + 4.8 + 4.7 + 4.7 + 4.7 + 4.4 + 4.7 + 4.6 + 4.7 + 4.7 + 4.7 + 4.8 + 4.7 + 5 + 4.9 + 4.8 + 5.1 + 5 + 5.5}{24}$

Step 2.2

Add $10$ and $4.9$ .

$\frac{14.9 + 5.1 + 5 + 5 + 4.8 + 4.7 + 4.7 + 4.7 + 4.4 + 4.7 + 4.6 + 4.7 + 4.7 + 4.7 + 4.8 + 4.7 + 5 + 4.9 + 4.8 + 5.1 + 5 + 5.5}{24}$

Step 2.3

Add $14.9$ and $5.1$ .

$\frac{20 + 5 + 5 + 4.8 + 4.7 + 4.7 + 4.7 + 4.4 + 4.7 + 4.6 + 4.7 + 4.7 + 4.7 + 4.8 + 4.7 + 5 + 4.9 + 4.8 + 5.1 + 5 + 5.5}{24}$

Step 2.4

Add $20$ and $5$ .

$\frac{25 + 5 + 4.8 + 4.7 + 4.7 + 4.7 + 4.4 + 4.7 + 4.6 + 4.7 + 4.7 + 4.7 + 4.8 + 4.7 + 5 + 4.9 + 4.8 + 5.1 + 5 + 5.5}{24}$

Step 2.5

Add $25$ and $5$ .

$\frac{30 + 4.8 + 4.7 + 4.7 + 4.7 + 4.4 + 4.7 + 4.6 + 4.7 + 4.7 + 4.7 + 4.8 + 4.7 + 5 + 4.9 + 4.8 + 5.1 + 5 + 5.5}{24}$

Step 2.6

Add $30$ and $4.8$ .

$\frac{34.8 + 4.7 + 4.7 + 4.7 + 4.4 + 4.7 + 4.6 + 4.7 + 4.7 + 4.7 + 4.8 + 4.7 + 5 + 4.9 + 4.8 + 5.1 + 5 + 5.5}{24}$

Step 2.7

Add $34.8$ and $4.7$ .

$\frac{39.5 + 4.7 + 4.7 + 4.4 + 4.7 + 4.6 + 4.7 + 4.7 + 4.7 + 4.8 + 4.7 + 5 + 4.9 + 4.8 + 5.1 + 5 + 5.5}{24}$

Step 2.8

Add $39.5$ and $4.7$ .

$\frac{44.2 + 4.7 + 4.4 + 4.7 + 4.6 + 4.7 + 4.7 + 4.7 + 4.8 + 4.7 + 5 + 4.9 + 4.8 + 5.1 + 5 + 5.5}{24}$

Step 2.9

Add $44.2$ and $4.7$ .

$\frac{48.9 + 4.4 + 4.7 + 4.6 + 4.7 + 4.7 + 4.7 + 4.8 + 4.7 + 5 + 4.9 + 4.8 + 5.1 + 5 + 5.5}{24}$

Step 2.10

Add $48.9$ and $4.4$ .

$\frac{53.3 + 4.7 + 4.6 + 4.7 + 4.7 + 4.7 + 4.8 + 4.7 + 5 + 4.9 + 4.8 + 5.1 + 5 + 5.5}{24}$

Step 2.11

Add $53.3$ and $4.7$ .

$\frac{58 + 4.6 + 4.7 + 4.7 + 4.7 + 4.8 + 4.7 + 5 + 4.9 + 4.8 + 5.1 + 5 + 5.5}{24}$

Step 2.12

Add $58$ and $4.6$ .

$\frac{62.6 + 4.7 + 4.7 + 4.7 + 4.8 + 4.7 + 5 + 4.9 + 4.8 + 5.1 + 5 + 5.5}{24}$

Step 2.13

Add $62.6$ and $4.7$ .

$\frac{67.3 + 4.7 + 4.7 + 4.8 + 4.7 + 5 + 4.9 + 4.8 + 5.1 + 5 + 5.5}{24}$

Step 2.14

Add $67.3$ and $4.7$ .

$\frac{72 + 4.7 + 4.8 + 4.7 + 5 + 4.9 + 4.8 + 5.1 + 5 + 5.5}{24}$

Step 2.15

Add $72$ and $4.7$ .

$\frac{76.7 + 4.8 + 4.7 + 5 + 4.9 + 4.8 + 5.1 + 5 + 5.5}{24}$

Step 2.16

Add $76.7$ and $4.8$ .

$\frac{81.5 + 4.7 + 5 + 4.9 + 4.8 + 5.1 + 5 + 5.5}{24}$

Step 2.17

Add $81.5$ and $4.7$ .

$\frac{86.2 + 5 + 4.9 + 4.8 + 5.1 + 5 + 5.5}{24}$

Step 2.18

Add $86.2$ and $5$ .

$\frac{91.2 + 4.9 + 4.8 + 5.1 + 5 + 5.5}{24}$

Step 2.19

Add $91.2$ and $4.9$ .

$\frac{96.1 + 4.8 + 5.1 + 5 + 5.5}{24}$

Step 2.20

Add $96.1$ and $4.8$ .

$\frac{100.9 + 5.1 + 5 + 5.5}{24}$

Step 2.21

Add $100.9$ and $5.1$ .

$\frac{106 + 5 + 5.5}{24}$

Step 2.22

Add $106$ and $5$ .

$\frac{111 + 5.5}{24}$

Step 2.23

Add $111$ and $5.5$ .

$\frac{116.5}{24}$

Step 3

Divide $116.5$ by $24$ .

$4.8541\overline{6}$

Step 4

Divide.

$4.8541\overline{6}$

Step 5

The mean should be rounded to one more decimal place than the original data. If the original data were mixed, round to one decimal place more than the least precise.

$4.85$