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Variance of 5, 8, 11, 9, 8, 19 is...

Variance of 5, 8, 11, 9, 8, 19 is

A

19.33

B

4.4

C

10

D

None

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The correct Answer is:
B
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DIPTI PUBLICATION ( AP EAMET)-MEASURES OF DISPERSION-EXERCISE-1
  1. Standard deviation of -1, 0, 4 is

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  2. Standard deviation of 1, 0, 2, 3, 4 is

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  3. Variance of 5, 8, 11, 9, 8, 19 is

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  4. The variance of 6, 7, 10, 12, 13, 4, 8, 12 is

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  5. The variance of the first 50 even natural numbers is

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  6. Standard deviation of 3, 5, 7, 9, 11, 13 is

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  7. The standard deviation of 5, 12, 3, 18, 6, 8, 2, 10 is

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  8. Standard deviation of 27, 35, 40, 35, 36, 29 is

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  9. Standard deviation of first 'n' natural numbers is

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  10. The standard deviation of a, a+d, a + 2d,….a + 2nd is

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  11. If the median of the data 6, 7, x-2, x, 18, 21 written in ascending or...

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  12. The variance of the following data is

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  13. The variance of the following data is

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  14. The standard deviation of the following data is

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  15. The mean and variance of seven observations are 8 and 16 respectively....

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

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  17. The arithmetic mean of the observations 10, 8, 5, a, b is 6 and their ...

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  18. The variance of 20 observations is 5. If each observations is multipli...

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  19. The mean of four observations is 3. If the sum of the squares of these...

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  20. If x(1), x(2),…..x(n) are n observations such that Sigmax(i)^(2)=400 a...

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