Answered

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

Sagot :

The Solution:

Given:

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

Required:

To find the mean.

The mean is

[tex]Mean=\frac{sum}{Number}[/tex]

So,

[tex]Mean=\frac{89+70+79+77+74+74+79+90+87}{9}[/tex][tex]Mean=\frac{719}{9}=79.8889[/tex]

Therefore, the correct answer is 79.8889

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