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If the algebric sum of the deviations of...

If the algebric sum of the deviations of 20 observations measured from 30 is 2, then what would be the mean of these observations.

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UNITED BOOK HOUSE-Model Test Set-2-Exercise
  1. A and B are mutually independent implies P(AIB) = P(A).

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  2. If event A implies B. then P(A) le P(B)

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  3. If the algebric sum of the deviations of 20 observations measured from...

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  4. State the empirial relation between mean, median and mode.

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  5. Which measure of dispersion do you use for a frequency distribution wi...

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  6. For a symmetrical distribution Q1 = 28 and Q3 = 46. Find the median?

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  7. Write down the importance of class bounderies in case of continuous va...

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  8. Let A and B be two events such that P(A) = 0.3 and P(A cup B) = 0.8. I...

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  9. If events A and B are complementary to each other, then P(B) =?

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  10. Draw venn diagram to represent the following set : (A cup B)-C.

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  11. Draw venn diagram to represent the following set : A cap B^c.

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  12. A-set contains 4 elements. It’s power set will contain element.

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  13. Write down the Fisher’s Price index formula.

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  14. Define ordianl and nominal data.

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  15. Describe cross sectional data with their utility.

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  16. In a certain distribution the first four moments about the value 4 of ...

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  17. If the A.M. and S.D. at n observation x1, x2,………….xn be barx and s res...

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  18. n persons are seated on n chairs at a round table. Find the probabilit...

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  19. State the statistical definition of probability.

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  20. Describe Ratio chart.

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