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Show that the sum of deviations of a set...

Show that the sum of deviations of a set of observations about their mean is Zero.

A

median

B

mode

C

mean

D

none of these

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UNITED BOOK HOUSE-Model Test Set - 8-Exercise
  1. The vertical axis, in case of an ogive shows

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  2. The absolute value of measure of skewness based on quartiles cannot ex...

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  3. Show that the sum of deviations of a set of observations about their m...

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  4. V(3e^(2x)) = 3 (write true or false).

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  5. If 0 < a < 1 and x > y > 0, then a^x < a^y (write true or false)

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  6. For a constant c, the value of /\(c) is

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  7. The greatest common divisor of 252 and 595 is

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  8. If A1, A2, A3 are mutually exclusive, mutually independent and exhaust...

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  9. The probability of getting a heart from a full pack of cards is

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  10. Write down the expression of combined mean.

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

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  12. How would you construct a frequency distribution of a continuous varia...

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  13. Find the first raw moment of first n odd numbers.

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  14. State the empirical relation among mean, median and mode.

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  15. Describe the sample space when one coin is tossed repeatedly till head...

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  16. If A1, A2, A3 are mutually exclusive and exhaustive, then P(A1) + P(A...

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  17. Total number of condition for independence of 3 events is

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  18. Write down the Paasche's price index formula?

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  19. What do you mean by Real wage?

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  20. What is crude rate of natural increase?

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