Question

find mean of 7,6,6,11,7,9,13,9
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Answer 1

Answer:

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Step-by-step explanation:

Mean = $\frac{sum \: \: of \: \: observations}{no. \: \: of \: \: observations}$

Mean = $\frac{7 + 6 + 6 + 11 + 7 + 9 + 13 + 9}{8}$

Mean = $\frac{68}{8}$

Mean = 8.5