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If the SD of the first numbers even inte...

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

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PATHFINDER-STATISTICS-QUESTION BANK
  1. Find the range for the following frequency distribution :

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

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

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

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

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

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

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

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

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

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

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

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

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

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  15. The mean and variance of seven observations are 8 and 16 respectively....

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  16. The mean and variance of seven observations are 8 and 16 respectively....

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  17. The mean and standard deviation of 100 observations were calculated as...

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  18. The mean and S.D. of a sample of size 10 were found to be 9.0 and 2.0 ...

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  19. Let x1,x2,x3,…xn be n values of a variable x. If these values are chan...

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  20. The mean of 5 observation is 4.4 and their variance is 8.24. If three ...

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