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Find the mean deviation about the mean o...

Find the mean deviation about the mean of the distribution:

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KUMAR PRAKASHAN-STATISTICS-NCERT EXEMPLAR PROBLEMS (SHORT ANSWER TYPE QUESTIONS)
  1. Find the mean deviation about the mean of the distribution:

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  2. Find the mean deviation about the median of the following distribution...

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  3. Calculate the mean deviation about the mean of the set of first n natu...

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  4. Find the algebraic sum of the deviations of all the observations from ...

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  5. Find the standard deviation of the first n natural numbers.

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  6. the mean and standard deviation of some data for the time taken to com...

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  7. Mean and standard deviation of the random variable X are (7)/(3) and (...

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  8. Two sets each of 20 observations , have the same standard deviation 5....

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  9. The frequency distribution : Where A is a positive integer , ha...

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  10. For the frequency distribution: Find the standard distribution ...

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  11. There are 60 students in a class . The following is the frequency dist...

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  12. The mean life of a sample of 60 bulbs was 650 hours and the standard d...

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  13. Mean and standard deviation of 100 items are 50 and 4, respectively . ...

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  14. If for a distribution sum(x-5) = 3, sum(x - 5)^2 = 43 and the total nu...

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  15. Find the mean variance of the frequency distribution given below :

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  16. Calcualte the mean deviation about the mean for the following frequenc...

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  17. Calcualte the mean deviation from the median of the following data :

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  18. Determine the mean and standard deviation for the following distributi...

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  19. The weights of coffee in 70 jars is shown in the following table: ...

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  20. Determine mean and standard deviation of first n terms of an A.P. whos...

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