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Find the mean if the coefficient of vari...

Find the mean if the coefficient of variation is `5%` and variance is 4.

A

5

B

10

C

25

D

None of these

Text Solution

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The correct Answer is:
C
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  11. If co-efficient of variation = 45% and mean = 24. Find the standard De...

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  12. Two variables x and y are related by y = 2-3x If the S.D of x be 1.5 t...

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  14. Find the range for the following frequency distribution :

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