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Find the Mean 21.8 , 23.4 , 22.8 , 27.1 , 22.5 , 13.1 , 11.7 , 25.6

$21.8$ ,

$23.4$ ,

$22.8$ ,

$27.1$ ,

$22.5$ ,

$13.1$ ,

$11.7$ ,

$25.6$

Step 1

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

$\frac{21.8 + 23.4 + 22.8 + 27.1 + 22.5 + 13.1 + 11.7 + 25.6}{8}$

Step 2

Simplify the numerator.

Add

$21.8$ and

$23.4$ .

$\frac{45.2 + 22.8 + 27.1 + 22.5 + 13.1 + 11.7 + 25.6}{8}$

Add

$45.2$ and

$22.8$ .

$\frac{68 + 27.1 + 22.5 + 13.1 + 11.7 + 25.6}{8}$

Add

$68$ and

$27.1$ .

$\frac{95.1 + 22.5 + 13.1 + 11.7 + 25.6}{8}$

Add

$95.1$ and

$22.5$ .

$\frac{117.6 + 13.1 + 11.7 + 25.6}{8}$

Add

$117.6$ and

$13.1$ .

$\frac{130.7 + 11.7 + 25.6}{8}$

Add

$130.7$ and

$11.7$ .

$\frac{142.4 + 25.6}{8}$

Add

$142.4$ and

$25.6$ .

$\frac{168}{8}$

Step 3

Divide

$168$ by

$8$ .

$21$

Step 4

Divide.

$21$

Find the Mean 21.8 , 23.4 , 22.8 , 27.1 , 22.5 , 13.1 , 11.7 , 25.6

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