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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.

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PATHFINDER-STATISTICS-QUESTION BANK
  1. Find the mean deviation about the mean of the data : 7, 8, 4, 13, 9, 5...

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  2. Find the mean deviation about the median of the data : 34, 23, 46, 37,...

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

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  4. If co-efficient of variation = 45% and mean = 24. Find the standard De...

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  5. 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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  6. The variance of first n natural numbers is 44. Find the value of n.

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  7. Find the range for the following frequency distribution :

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  8. The standard Deviation of 30 observation of a sample is 4.5 If each ob...

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  9. If the SD of the first numbers even integers be sqrt40, then find numb...

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  10. Find the mean and variance of the data : 5, 9, 8, 12, 6, 10, 6, 8

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  11. Find the SD of first 10 multiples of 3.

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  12. Calculate the mean deviation about median from the data : 340, 150, 21...

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  13. The variance of 20 observations is 5. If each observation be multipli...

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  14. The mean and standard deviation of observations are 8 and 14 respectiv...

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  15. Calculate the mean and standard deviation of the numbers-natural numbe...

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  16. The scores of batsman in 10 matches were as follows : 38, 70, 48, 34, ...

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  17. Prove that if x1and x2 two values of a variable x, so its standard dev...

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  18. Find the mean deviation about the mean of the data : 7, 8, 4, 13, 9, 5...

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  19. Find the mean deviation about the mean of the data : 7, 8, 4, 13, 9, 5...

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  20. Find the SD of first 10 multiples of 3.

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