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Find the Mean 20 , 28 , 26 , 32 , 18 , 46 , 35

$20$ ,

$28$ ,

$26$ ,

$32$ ,

$18$ ,

$46$ ,

$35$

Step 1

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

$\frac{20 + 28 + 26 + 32 + 18 + 46 + 35}{7}$

Step 2

Simplify the numerator.

Add

$20$ and

$28$ .

$\frac{48 + 26 + 32 + 18 + 46 + 35}{7}$

Add

$48$ and

$26$ .

$\frac{74 + 32 + 18 + 46 + 35}{7}$

Add

$74$ and

$32$ .

$\frac{106 + 18 + 46 + 35}{7}$

Add

$106$ and

$18$ .

$\frac{124 + 46 + 35}{7}$

Add

$124$ and

$46$ .

$\frac{170 + 35}{7}$

Add

$170$ and

$35$ .

$\frac{205}{7}$

Step 3

Divide.

$29.28571428$

Step 4

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.

$29.3$

Find the Mean 20 , 28 , 26 , 32 , 18 , 46 , 35

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