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If the sum and mean of the data are 418 ...

If the sum and mean of the data are 418 and 11 respectively then the no. of observation is the data is:

A

35

B

36

C

37

D

38

Text Solution

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The correct Answer is:
d
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PREMIERS PUBLISHERS-STATISTICS AND PROBABILITY -OTHER IMPORTANT OBJECTIVE TYPE QUESTIONS
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  2. The coefficient of range of the data 20, 62, 43, 48, 13, 34, 39, is :

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  3. If the standard deviation of the data 2, 3, 5, 7, 8, is 2.28 what will...

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  13. Three fair coins are tossed together. Find the probability of getting ...

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  14. If P(A)=0.5, P(B)=0.3, P(AcapB)=0.25. Find P(AcupB)

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  15. Ia A and B are mutually exclusive, given P(AcupB)=(3)/(5), P(A)=(1)/(2...

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  16. Given A and B are mutually exclusine events P(not A)= 0.35 P(AcupB)=0....

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  17. Find the odd one out:

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  18. The sum of all deviations of the data from its mean is

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  19. The range of 6, 6, 6, 6, 6, 6, 6 is:

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  20. If the standard deviation of a, b, c is sigma this standard deviation ...

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