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If the coefficient of variation of a col...

If the coefficient of variation of a collection of data is `57` and its standard deviation is `6.84`, then find the mean.

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The correct Answer is:
`12`
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FULL MARKS-STATISTICS AND PROBABILITY-Additional question solved
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  2. If n=10, barx=12, and sumx^(2)=1530, then calculate the coefficient of...

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  3. If the coefficient of variation of a collection of data is 57 and its ...

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  4. Find the standard deviation and the variance of first 23 natural numbe...

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  5. Find the coefficient of variation of the following data : 18,20,15,12,...

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  6. Three rotten eggs are mixed with 12 good ones. One egg is chosen at ra...

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  7. Two coins are tossed together. What is the probaility of getting at mo...

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  8. A number is selected at random from integers 1 to 100. Find the probab...

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  9. Three dice are thrown simultaneously . Find the probability of getting...

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  10. If P(A)=(1)/(2), P(B)=(7)/(10), P(AuuB)=1, find (i) P(AnnB), (ii) P(A'...

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  11. The man of the following frequency distribution is 53 and the sum of a...

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  12. Calculate the standard deviation of the following data.

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  13. The time (in seconds) taken by a group to walk across a pedstrain cros...

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  14. The mean and standard deviation of 20 items are found to be 10 and 2 r...

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  15. Calculate the coefficient of variationof the following data : 20,18,32...

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  16. The marks scored by two students A, B in a class are given below. ...

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  17. If for distribution sum(x-7)=3, sum(x-7)^(2)=57 and total number of it...

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  18. Two unbiased dice are rolled once. Find the probaility of getting. (...

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  19. A die is thrown twice. Find the probability that atleast one of the tw...

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  20. Let A,B,C be any three mutually exclusive and exhaustive events such t...

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