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The range of the data 41,68,7,53,4,75,11...

The range of the data 41,68,7,53,4,75,11,89,47 is

A

71

B

73

C

85

D

82

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NEW JOYTHI PUBLICATION-STATISTICS-EXSERCISE
  1. The algebraic sum of the deviations from the mean is

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  2. The median of the series is 10 . Two additional observations 7 and 20...

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  3. The range of the data 41,68,7,53,4,75,11,89,47 is

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  4. The mean and variance of 7 observations are 8 and 16 respectively . If...

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  5. Variance is independent of

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  6. If the S.D of 0,1,2,….9 is a, then the S.D of 10,11,12,…. 19 is

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  7. The mode of the obeservations 3,5,1,7,9,1,12 is

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  8. The AM of 1,2,4,8 …… 2^(n) is

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  9. If a variable takes the values 0,1,2,…. N with frequencies 1,""^(n)C(1...

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  10. The GM of 2, 2^(2),2^(3).......2^(n) is

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  11. The mean mark in statistics of 100 students in a class was 72. The mea...

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  12. The AM of the nnumbers x(1),x(2)......x(n) is M. If x(1) is replaced b...

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  13. The MD from the median for the observed values -1,0,4 is

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  14. If each observation of a raw data whose variance sigma^(2) is multipli...

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  15. If each observation of a new data where variance is sigma^(2) increas...

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  16. M.D for the observations a,a +d,a +2d, ……., a +2nd is

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  17. The sum of squares of deviations of 10 observations taken from the mea...

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  18. The median and S.D of a distribution are 20 and 4 respectively . If ea...

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  19. If the S.D of a variate x is sigma , then the S.D of (ax+b)/(c ) where...

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  20. If the S.D of x(1),x(2),x(3),........x(n) is 6, then the S.D of -x(1),...

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