Question

find the mean of following 15,22,28,19,34,25,13,18

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Answer 1

Answer:

$mean \: = \frac{sum \: of \: observations}{number \: of \: observaions}$

$mean \: = \frac{15 + 22 + 28 + 19 + 34 + 25 + 13 + 18}{8}$

$mean \: = \frac{174}{8}$

$mean \: = 21.75$

Answer 2

21.75 is the correct answer

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