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If the mean of observations and  is  then 10                                   (b) 15 12                                   (d) 13

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RD SHARMA ENGLISH-DATA HANDLING 2-All Questions
  1. Calculate the mean and median for the following data: Marks:      ...

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  2. The following table shows the weights of 12 persons. Weight (in kg)...

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  3. If the mean of observations and  is  then 10              ...

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  4. If the mean of observations  is  then 43                    ...

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  5. Find the mean of first five natural numbers.

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  6. The mean of first five prime numbers is (a) 5.6                    ...

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  7. The mean of first seven even natural numbers is (a) 7              ...

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  8. The mean of first six multiples of 5 is (a) 3.5                    ...

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  9. The mean of 5 numbers is 4. If 1 is added to each number , then the ...

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  10. If the sum of 10 observations is 95, then their mean is

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  11. If the mean of  observations is 12 and the sum of the observations...

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  12. The median of the data  is 10                                (b) 11 ...

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  13. The median of the data  is 7                                  (b) 9 ...

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  14. The mean of a data is 15 and the sum of the observations is 195. The n...

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  15. The median of 11 observations is 10. The number of possible observa...

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  16. If the mode of 22 ,\ 21 ,\ 23 ,\ 24 ,\ 21 ,\ 20 ,\ 23 ,\ 26 ,\ x and 2...

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  17. If the mean of  and 7 is 7, then 6                            ...

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  18. The mean of is same as the mean of Then which of the followi...

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  19. The mean of  and  is  Then the median is 19                  ...

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  20. If the mean of 9, 10, 15, x, 6, 8 and 12 is 11 and is 11. The median o...

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