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S.D. of the observation x1, x2, x3 ........

S.D. of the observation `x_1, x_2, x_3 ..... x_n` is 3.5 then S.D. of `-2x _1-3,-2x_2-3,.........-2x_(n)-3` is ….........

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KUMAR PRAKASHAN-OBJECTIVE SECTION AS PER NEW PAPER SCHEME -Statistics (Fill in the Blanks)
  1. Median of nine observations is 20.45 . If 2 is added in last four obse...

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  2. Suppose in group A, 100 observations are 101 , ….. 200 and in group B ...

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  3. If the standard deviation of variable x is 4 and y = (3x + 7)/(4) then...

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  4. The variance of observations 3,4,5,8 is

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  5. The mean of 100 observations is 50 and their standard deviation is 5. ...

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  6. Let a,b,c,d,e be the observations with mean m and standard deviation S...

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  7. S.D. of the observation x1, x2, x3 ..... xn is 3.5 then S.D. of -2x 1...

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  8. Median of the data 9,15,20,22,8,17,10,18,14,25 is …..

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  9. Find x if the median of the observation 33,28,20,25,34 and x is 29.

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  10. Median of nine observations is 20.45 . If 2 is added in last four obse...

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  11. Suppose in group A, 100 observations are 101 , ….. 200 and in group B ...

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  12. If the standard deviation of variable x is 4 and y = (3x + 7)/(4) then...

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  13. The variance of observations 3,4,5,8 is

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  14. The mean of 100 observations is 50 and their standard deviation is 5. ...

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  15. Let a,b,c,d,e be the observations with mean m and standard deviation S...

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  16. S.D. of the observation x1, x2, x3 ..... xn is 3.5 then S.D. of -2x 1...

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  17. Median of the data 9,15,20,22,8,17,10,18,14,25 is …..

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  18. Find x if the median of the observation 33,28,20,25,34 and x is 29.

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