Question

If the mean of 10 observations is 12 , What is their sum ?​

Answer 1

Answer:

24 is th answer

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Answer 2

$~~~~~\underline\mathfrak\purple{Answer:—}$

$~~~~~~~~~~~~\fbox\pink{120}$

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$~~~~~\underline\mathfrak\purple{Explanation:–}$

Let their sum be x

Number of observation = 10

Number of mean = 12

.

$Mean \:=\: \dfrac {sum~of~given~observations}{number~of~observation}$

.

$12\:=\: \dfrac{x}{10}$

$x \:=\:10\:×\:12$

$x \:=\:120$

Therefore, the sum is $\fbox\pink{120}$

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