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Find the mean and variance of first n na...

Find the mean and variance of first n natural numbers.

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A N EXCEL PUBLICATION-STATISTICS-QUESTION BANK
  1. Find the standard deviation from the following frequency distribution:

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  2. Find the mean and variance for the following data 6,7,10,12,13,4,8,12

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  3. Find the mean and variance of first n natural numbers.

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  4. Find the mean and variance of the first 10 multiples of 3.

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  5. Find the mean and variance of following data :

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  6. Find the mean and variance of following data :

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  7. Find the mean and variance of following data :

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  8. Find the mean and variance of following data :

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  9. From the data given below which group is more variable A or B?

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  10. From the prices of shares x and y below find out which is more stable ...

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  11. An analysis of monthly wages paid to workers in two firms A and B bel...

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  12. An analysis of monthly wages paid to workers in two firm A and B belo...

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  13. The following is the record of goals scored by team A in a football se...

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  14. The sum and sum of squares corresponding to length x(incm) and weight ...

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  15. The scores of a batsman in 10 matches are as follows 38,70,48,34,42,55...

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  16. The scores of a batsman in 10 matches are as follows 38,70,48,34,42,55...

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  17. The scores of a batsman in 10 matches are as follows 38,70,48,34,42,55...

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  18. The mean and variance of 8 observations are 9 and 9.25 respectively. S...

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  19. The mean and variance of 8 observations are 9 and 9.25 respectively. S...

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  20. The mean and variance of 8 observations are 9 and 9.25 respectively. S...

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