Question

Estimate the mean of the age of the people in group A

Answer 1

48

Explanation:

The ages are 18,28,38,48,58,68,78 I don't use 88 bacause the graph don't show any data so there is 88 years old

now lets find the mean

18+28+38+48+58+68+78= 336= 48

7 7

so the mean of the age is 48

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