Question

Find the mean 89 70 79 77 74 74 79 90 87.

Answer 1

The Solution:

Given:

89, 70, 79, 77, 74, 74, 79, 90, 87.

Required:

To find the mean.

The mean is

`Mean=(sum)/(Number)`

So,

`Mean=(89+70+79+77+74+74+79+90+87)/(9)`
`Mean=(719)/(9)=79.8889`

Therefore, the correct answer is 79.8889