Math, asked by mouryapooja369, 3 months ago

The mean of 20 numbers is 18. If 2 is added to each number, what is the new mean?
The mean of 5 observations 3.5.7.x and Il is 7, find the value of x.

Answers

Answered by laudalassan75

1

Answered by debmohinipatranabish

1

Answer:

ii) Mean=3+5+7+11+x/5

7=26+x/5

35=26+x

35-26=x

9=x (Ans)

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