Answers

2016-02-11T21:29:51+08:00
Get the sum of given numbers and divide it by the number of addends
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2016-02-13T08:02:15+08:00
Add the addends then divide it by the number of the addends.

For example, we need to find the average of the following set of numbers:

23,19, 21, 24, 25
 \frac{23+19+21+24+25}{5} = \frac{112}{5} =22.4


89, 90, 92, 91, 94, 91, 90, 89
 \frac{89+90+92+91+94+91+90+89}{8} =  \frac{726}{8} = 90.75

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