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Find the deviation from the mean and fro...

Find the deviation from the mean and from median of the following distribution: Marks 0-10 10-20 20-30 30-40 40-50 No. of Students 5 8 15 16 6

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RD SHARMA ENGLISH-STATISTICS-All Questions
  1. Find the mean deviation from the mean for the following data: Class...

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  2. Compute mean deviation from mean of the following distribution: Ma...

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  3. Find the deviation from the mean and from median of the following di...

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  4. Calculate the mean deviation about the mean for the following frequenc...

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

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  6. Calculate the mean and standard deviation of first n natural numbers.

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  7. Find the mean variance and standard deviation for the following data: ...

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  8. Find the mean, variance and standard deviation for the following data:...

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  9. Find the mean, variance and standard deviation for the following dat...

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  10. The variance of 20 observations is 5. If each observation is multiplie...

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  11. The variance of 15 observations is 4. If each observations increased b...

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  12. The mean of 5 observations is 4.4 and their variance is 8.24. If three...

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  13. The mean and standard deviation of six observations are 8 and 4, re...

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  14. The mean and variance of eight observations are 9 and 9.25, respect...

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  15. For a group of 200 candidates, mean was found to 40 but it was discove...

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

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  17. The mean and standard deviation of 20 observations are found to be 1...

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  18. The mean and standard deviation of a group of 100 observations were...

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  19. Show that the two formulae for the standard deviation of ungrouped d...

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  20. Find the variance and standard deviation for the following distribu...

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