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If Sigmaf(i)=100,Sigmaf(i)x(i)=220,Sigma...

If `Sigmaf_(i)=100,Sigmaf_(i)x_(i)=220,Sigmaf_(i)(x_(i)-barx)=104.8`then mean deviation =

A

2.2

B

1.048

C

104.8

D

220

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The correct Answer is:
B
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DIPTI PUBLICATION ( AP EAMET)-MEASURES OF DISPERSION-EXERCISE-1
  1. Mean deviation of 390, 400, 400, 410, 410, 420, 420, 430, 430, 440, 44...

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  2. Mean deviation 26, 32, 20, 18, 25, 24, 22, 25, 27, 28, 25 through mode...

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  3. If Sigmaf(i)=100,Sigmaf(i)x(i)=220,Sigmaf(i)(x(i)-barx)=104.8then mean...

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  4. If the sum of deviation of values from an average is 125 and mean devi...

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  5. The mean deviation about mean for the following data is

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  6. Find the mean deviation about the mean for the data :

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  7. The mean deviation about median for the following data is

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  8. The mean deviation about the mean for the data is

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  9. The mean deviation about mean for the following data is

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  10. The mean deviation about median for the following data is

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  11. The mean deviation about the median for the following data is

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  12. If the average of the first n numbers in the sequence 148, 146, 144,…....

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  13. The average of the squares of deviation of the values from arithmetic ...

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  14. If the Variance of a data is 12.96, then standard deviation is

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  15. Variance of 6, 8, 10 is

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  16. Standard deviation of first three consecutive integers is

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  17. Standard deviation of 3, 4, 5 is

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  18. Standard deviation of 3, 5, 7 is

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  19. Standard deviation of -1, 0, 4 is

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

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