Question

if mean of 15 terms is 6, find the sum of all terms

Answer 1

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Answer 2

Answer:

90

Step-by-step explanation:

Total no: of observations = 15

$mean \: = \: \frac{sum }{total \: no \: of \: observations}$

ie , 6 = sum / 15

Sum = 6 * 15

= 90

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