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Find the Mean 25 , 20 , 18 , 25 , 17

$25$ ,

$20$ ,

$18$ ,

$25$ ,

$17$

Step 1

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

$\frac{25 + 20 + 18 + 25 + 17}{5}$

Step 2

Simplify the numerator.

Add

$25$ and

$20$ .

$\frac{45 + 18 + 25 + 17}{5}$

Add

$45$ and

$18$ .

$\frac{63 + 25 + 17}{5}$

Add

$63$ and

$25$ .

$\frac{88 + 17}{5}$

Add

$88$ and

$17$ .

$\frac{105}{5}$

$\frac{105}{5}$

Step 3

Divide

$105$ by

$5$ .

$21$

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