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The following table gives the number of ...

The following table gives the number of finished articles turned out per day be different number of workers in a factors. Find the standard deviation of the daily output of finished articles. Find the variance and standard deviation of the following frequency distribution: Number of article:, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27 No. of workers:, 3, 7, 11, 14, 18, 17, 13, 8, 5, 4

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RD SHARMA ENGLISH-STATISTICS-All Questions
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  2. Find the mean deviation about median for the following data : Marks   ...

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  3. The following table gives the number of finished articles turned out ...

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  4. If a is positive integer and the frequency distribution: x : , A, 2a, ...

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  5. Calculate the mean deviation about median age for the age distribut...

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  6. Calculate mean deviation from the median of the following data: Cla...

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  7. Find the mean of first n terms of an A.P. whose first term is a and ...

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  8. Find the variance and standard deviation of the following frequency ...

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  9. Calculate the mean deviation from the median of the following data: Wa...

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  10. Find the mean deviation from the mean of the following data: Classes:,...

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  11. Find the mean deviation about the mean for the following data: Marks ...

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  12. The age distribution of 100 life-insurance policy holders is as follow...

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  13. Find the mean deviation from the mean for the following data: Size:, 2...

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  14. Find the mean deviation from the mean for the following data: Size:...

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  15. Find the mean deviation from the median for the following data: Size:,...

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  16. Find the mean deviation about the median of the following frequency di...

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  17. Calculate the mean and standard deviation for the following table give...

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  18. The lengths (in cm) of 10 rods in a shop are given below: 40.0,52.3,55...

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  19. The mean and variance of 7 observations are 8 and 16, respectively....

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  20. An analysis of monthly  wages paid to workers in two firms A and B, ...

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