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S.D. of a data is 6. When each observati...

S.D. of a data is 6. When each observation is increased by 1, then the S.D. of new data is

A

5

B

7

C

6

D

8

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FIITJEE-STATISTICS-Solved Problems(Objective)
  1. S.D. of a data is 6. When each observation is increased by 1, then the...

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  2. For a set of 100 observations taking assumed mean as 4, the sum of the...

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  3. The mean deviation about the median of the series of batsman in ten in...

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  4. In any discrete series (when all the valuenot same) the relationship b...

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  5. If each observations of a raw data whose variance is sigma^(2) is mult...

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  6. If the S.D. of a variate R is sigma, then the S.D. of pR+q is

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  7. Let q be the range and S^(2)=(1)/(n-1) underset(i=1)overset(n)sum (x(i...

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  8. If the coefficient of variation of two series are 75% and 90% and thei...

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  9. If standard deviation of a set of observation is 4 and if each of the ...

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  10. The first of the two samples have 100 items with mean 15 and S.D.3. If...

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  11. For a series the value of men deviation is 15. The most likely ...

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  12. What is quartile deviation for the datsa {:(,x,2,3,4,5,6),(,f,3,4,8,4,...

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  13. The variance of first n natural number is:

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  14. Karl Pearlon's coefficient of skewness of a distribution is 0.32. Its ...

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  15. The M.D. of the variates 40,62,68,76,54 from A.M. is

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  16. The M.D. of the variates 100,101,.....,109 from A.M. is nearly

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  17. The variance of the vriates 112, 116,120,125,132 about their A.M. is

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  18. The co-eff. Of variation of a data is 58%, S.D. of the data is 2.32 th...

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  19. Iin a moderately skewed distribution the values of mean and median ar...

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  20. If the regression co-efficients are 0.8 and 0.2, then the value of co-...

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