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Mean

If the mean o...

Question

If the mean of a given set of data is 20 and each observation is increased by 2,then the new mean is _______

A

20

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B

22

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C

12

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D

18

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Solution

The correct option is B
22

In a given set of data , when each observation is increased by 2, then the mean of the data will also increase by 2.

Given that the mean of the given data = 20

Hence the new mean = 20 + 2 = 22

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