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The mean of a data is 15 and the sum ...

The mean of a data is 15 and the sum of the observations is 195. The number of observations is 13                                 (b) 19 16                                 (d) 17

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RD SHARMA-DATA HANDLING 2-All Questions
  1. The mean of first six multiples of 5 is (a)3.5                      ...

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

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  3. If the sum of 10 observations is 95, then their mean is (a) 9.5     ...

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

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  5. Find the median of the data 9, 12, 11, 10, 8, 9, 11.

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  6. The median of the data 5,7,9,10,11 is (a)7 (b)9 (c)11 (d)10

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  7. The mean of a data is 15 and the sum of the observations is 195. Th...

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  8. The median of 11 observations is 10. The number of possible observat...

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

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  10. If the mean of 5, 7, x, 10, 5, and 7 is 7, then find the value of x.

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  11. The mean of p, q, and r is same as the mean of q, 2r, and s. then whic...

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  12. The mean of 10, 15, 19, 30, 43, 69, and x is x. Find the median of the...

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  13. If the mean of 9, 10, 15, x, 6, 8, and 12 is 11, then the median of th...

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  14. The mode of the unimodal data 7, 8, 9, 8, 9, 10, 9, 10, 11, 10, 11, 12...

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  15. The mean weight of 21 students is 21 kg. If a student weighing 21 k...

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  16. There are 7 observations in the data and their mean is 11. If each ...

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  17. The mean of 10 observations is 15. If one observation 15 is added, ...

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  18. The median of 10, 12, x, 6, 18 is 10. Then which of the following is t...

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  19. The mode of the data 9, x, 6, 3, 4, 9, 8, 6, 4, 6, is 6. which of the ...

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  20. For a frequency distribution, mean, median and mode are connected by ...

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