Basic Math Examples

96.38

$96.38$ ,

- 91.6

$- 91.6$ ,

73.92

$73.92$ ,

88

$88$ ,

25

$25$ ,

- 85.2 - 33.8

$- 85.2 - 33.8$

Step 1

Subtract

33.8

$33.8$ from

- 85.2

$- 85.2$ .

96.38, - 91.6, 73.92, 88, 25, - 119

$96.38, - 91.6, 73.92, 88, 25, - 119$

Step 2

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

\frac{96.38 - 91.6 + 73.92 + 88 + 25 - 119}{6}

$\frac{96.38 - 91.6 + 73.92 + 88 + 25 - 119}{6}$

Step 3

Simplify the numerator.

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Step 3.1

Subtract

91.6

$91.6$ from

96.38

$96.38$ .

\frac{4.78 + 73.92 + 88 + 25 - 119}{6}

$\frac{4.78 + 73.92 + 88 + 25 - 119}{6}$

Step 3.2

Add

4.78

$4.78$ and

73.92

$73.92$ .

\frac{78.7 + 88 + 25 - 119}{6}

$\frac{78.7 + 88 + 25 - 119}{6}$

Step 3.3

Add

78.7

$78.7$ and

88

$88$ .

\frac{166.7 + 25 - 119}{6}

$\frac{166.7 + 25 - 119}{6}$

Step 3.4

Add

166.7

$166.7$ and

25

$25$ .

\frac{191.7 - 119}{6}

$\frac{191.7 - 119}{6}$

Step 3.5

Subtract

119

$119$ from

191.7

$191.7$ .

\frac{72.7}{6}

$\frac{72.7}{6}$

\frac{72.7}{6}

$\frac{72.7}{6}$

Step 4

Divide

72.7

$72.7$ by

6

$6$ .

12.11 ¯ 6

$12.11\overline{6}$

Step 5

Divide.

12.11 ¯ 6

$12.11\overline{6}$

Step 6

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.

12.1

$12.1$