Basic Math Examples

10

$10$ ,

10

$10$ ,

11

$11$ ,

12

$12$ ,

14

$14$ ,

14

$14$ ,

14

$14$ ,

15

$15$ ,

26

$26$

Step 1

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

\frac{10 + 10 + 11 + 12 + 14 + 14 + 14 + 15 + 26}{9}

$\frac{10 + 10 + 11 + 12 + 14 + 14 + 14 + 15 + 26}{9}$

Step 2

Simplify the numerator.

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Step 2.1

Add

10

$10$ and

10

$10$ .

\frac{20 + 11 + 12 + 14 + 14 + 14 + 15 + 26}{9}

$\frac{20 + 11 + 12 + 14 + 14 + 14 + 15 + 26}{9}$

Step 2.2

Add

20

$20$ and

11

$11$ .

\frac{31 + 12 + 14 + 14 + 14 + 15 + 26}{9}

$\frac{31 + 12 + 14 + 14 + 14 + 15 + 26}{9}$

Step 2.3

Add

31

$31$ and

12

$12$ .

\frac{43 + 14 + 14 + 14 + 15 + 26}{9}

$\frac{43 + 14 + 14 + 14 + 15 + 26}{9}$

Step 2.4

Add

43

$43$ and

14

$14$ .

\frac{57 + 14 + 14 + 15 + 26}{9}

$\frac{57 + 14 + 14 + 15 + 26}{9}$

Step 2.5

Add

57

$57$ and

14

$14$ .

\frac{71 + 14 + 15 + 26}{9}

$\frac{71 + 14 + 15 + 26}{9}$

Step 2.6

Add

71

$71$ and

14

$14$ .

\frac{85 + 15 + 26}{9}

$\frac{85 + 15 + 26}{9}$

Step 2.7

Add

85

$85$ and

15

$15$ .

\frac{100 + 26}{9}

$\frac{100 + 26}{9}$

Step 2.8

Add

100

$100$ and

26

$26$ .

\frac{126}{9}

$\frac{126}{9}$

\frac{126}{9}

$\frac{126}{9}$

Step 3

Divide

126

$126$ by

9

$9$ .

14

$14$