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Find the Mean 34.1 , 33.8 , 30.5 , 31.6

$34.1$ ,

$33.8$ ,

$30.5$ ,

$31.6$

Step 1

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

$\frac{34.1 + 33.8 + 30.5 + 31.6}{4}$

Step 2

Simplify the numerator.

Add

$34.1$ and

$33.8$ .

$\frac{67.9 + 30.5 + 31.6}{4}$

Add

$67.9$ and

$30.5$ .

$\frac{98.4 + 31.6}{4}$

Add

$98.4$ and

$31.6$ .

$\frac{130}{4}$

$\frac{130}{4}$

Step 3

Cancel the common factor of

$130$ and

$4$ .

Factor

$2$ out of

$130$ .

$\frac{2 (65)}{4}$

Cancel the common factors.

Factor

$2$ out of

$4$ .

$\frac{2 \cdot 65}{2 \cdot 2}$

Cancel the common factor.

$\frac{2 \cdot 65}{2 \cdot 2}$

Rewrite the expression.

$\frac{65}{2}$

$\frac{65}{2}$

$\frac{65}{2}$

Step 4

Divide.

$32.5$

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