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AM of 1^2, 2^2, 3^2, 4^2……….20^2=…….....

AM of `1^2, 2^2, 3^2, 4^2……….20^2`=……..

A

40

B

50

C

60

D

none

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VGS PUBLICATION-BRILLIANT-STATISTICS-EXERCISE
  1. Range of first 5 natural numbers is.......

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  2. Empirical relation among mean, median and mode is .........

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  3. AM of 1^2, 2^2, 3^2, 4^2……….20^2=……..

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  4. Which of the following is not a measure of central tendency ?

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  5. A data has 13 observations arranged in descending order which observat...

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  6. In the formula of mode in the grouped data l represents ......

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  7. In an arranged series of an even number 2n terms the median is ..........

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  8. AM of 1, 2, x, 3 is 0 then x = ....

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  9. AM of first n odd numbers is ...

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  10. Mean of 6, -4, 2/3, 5/4, 7/6 is .....

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  11. The AM of 10 consecutive numbers starting with n + 1 is .......

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  12. barx = 2p + q, M = p + 2q then Z = .......

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  13. The information collected is called ..........

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  14. In a data mean = 72.5 and median = 73.9 then mode is .........

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  15. Mode of any 3 consecutive numbers is ..........

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  16. ..........is based on all observations.

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  17. The mean of first 5 odd multiples of 5 is ........

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  18. Median = 52.5, mean = 54, use empirical relation and find mode = ........

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  19. Mode = 24.5, mean = 29.75 then median [using empirical relation] = ......

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  20. Find the sum of lower limit of median class and upper limit of modal c...

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