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Find the variance and standard deviation for the following data:

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NCERT-STATISTICS-SOLVED EXAMPLES
  1. Calculate mean, Variance and Standard Deviation for the following dis...

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  2. Two plants A and B of a factory show following results about the numb...

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  3. Calculate the mean, variance and standard deviation for the following...

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  4. Find the standard deviation for the following data :

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

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  6. The mean of 5 observations is 4.4 and their variance is 8.24. If thre...

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  7. Coefficient of variation of two distributions are 60 and 70, and thei...

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  8. The following values are calculated in respect of heights and weights ...

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  9. If each of the observation x1,x2,.........,xnis increased by a where a...

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  10. The mean and standard deviation of 100 observations were calculated a...

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  11. Find the variance and standard deviation for the following data:

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  12. Find the Variance of the following data:6, 8, 10 , 12 , 14 , 16 , 18 ,...

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  13. Find the mean deviation about the median for the following data:

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  14. Find mean deviation about the mean for the following data :xi 2 5 6 8 ...

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  15. Calculate the mean deviation about median for the following data :

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  16. Find the mean deviation about the mean for the following data.

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  17. Find the mean deviation about the mean for the following data: 6, 7, 1...

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  18. Find the mean deviation about the median for the following data:3, 9, ...

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