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Compute mean deviation from mean of the following distribution: Marks 10-20 20-30 30-40 40-50 50-60 60-70 70-80 80-90 No. of students 8 10 15 2 20 18 9 5

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Compute the mean deviation from the median of the following distribution: Class 0-10 10-20 20-30 30-40 40-50 Frequency 5 10 20 5 10

Find the mean deviation about the mean for the following data: Marks obtained 10-20 20-30 30-40 40-50 50-60 60-70 70-80 Number of students 2 3 8 14 8 3 2

Calculate the mean and standard deviation for the following distribution: Marks:, 20-30, 30-40, 40-50, 50-60, 60-70, 70-80, 80-90 No. of students:, 3, 6, 13, 15, 14, 5, 4

Compute D3 for the following distribution : {:("Marks",0-10,10-20,20-30,30-40,40-50,50-60,60-70,70-80,),("No.of students",3,10,17,7,6,4,2,1,):}

Find the mean of the following distribution: 10 30 50 70 89 7 8 10 15 10

Find the mean deviation from the mean of the following data: Classes:, 10-20, 20-30, 30-40, 40-50, 50-60, 60-70, 70-80 frequency, 2, 3, 8, 14, 8, 3, 2

Find the mean deviation from the mean of the following data: Classes:, 10-20, 20-30, 30-40, 40-50, 50-60, 60-70, 70-80 frequency, 2, 3, 8, 14, 8, 3, 2

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Write the median class of the following distribution: Classes: 0-10 10-20 20-30 30-40 40-50 50-60 60-70 Frequency: 4 4 8 10 12 8 4

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RD SHARMA ENGLISH-STATISTICS-All Questions
  1. Compute the mean deviation from the median of the following distrib...

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  2. Find the mean deviation from the mean for the following data: Class...

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

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

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

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

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

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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 data:...

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

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

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

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

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

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

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

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

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

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

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

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