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Find the mean deviation from the mean for the data: 6,7,10,12,13,4,8,20.

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RD SHARMA ENGLISH-STATISTICS-All Questions
  1. Calculate the mean deviation about median from the following data: 340...

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  2. For a group of 200 candidates the mean and S.D. were found to be 40 an...

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  3. Find the mean deviation from the mean for the data: 6,7,10,12,13,4,8,2...

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  4. The scores of a batsman in ten innings are : 38,70,48,34,42,55,63,46,5...

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  5. Calculate the mean deviation about the mean of the set of first n natu...

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  6. Calculate the mean deviation about the mean of the set of first n natu...

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  7. Find the variance and standard deviation of the following data 5,12,3,...

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  8. Compute the variance and standard deviation of the following observa...

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  9. The number of telephone calls received at an exchange in 245 successiv...

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  10. Calculate mean deviation from the median for the following distribu...

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  11. The mean deviation for n observations x1, x2, ......... , xn from th...

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  12. Let x1,""x2,"". . . . . . ,""xn be n observations, and let bar x be t...

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

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  14. The mean and variance of 7 observation is 8 and 16. If five of the obs...

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  15. If for a sample of size 60, we have the following information sumxi^2=...

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  16. The mean and standard deviation of 20 observations are found to be ...

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  17. Consider the numbers 1,2,3,4,5,6,7,8,9,10. If 1 is added to each num...

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  18. If for distribution of 18 observations sum(xi-5)=3a n dsum(xi-5)^2=43 ...

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  19. If the men and standards deviation of 100 observations are 50 and 4 ...

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  20. Let x1,\ x2,\....,\ xn values of variable X and let 'a' be non zero re...

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