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If t is the standard deviation of x,y,z ...

If `t` is the standard deviation of `x,y,z` then the standard deviation of `x+5`, `y+5`, `z+5` is ............

A

`(t)/(3)`

B

`t+5`

C

`t`

D

`xyz`

Text Solution

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The correct Answer is:
C
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FULL MARKS-STATISTICS AND PROBABILITY-Additional question solved
  1. For any collection of n items, sum(x-barx)=.........

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  2. For any collection of n items, sum(x-barx)=.........

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  3. If t is the standard deviation of x,y,z then the standard deviation of...

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  4. If the standard deviation of a set of data is 1.6, then the variance i...

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  5. If the variance of a data is 12.25, then the S.D is ...........

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  6. Variance of the first 11 natural numbers ........

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  7. The variance of 10,10,10,10,10 is ............

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  8. If the variance of 14, 18, 22, 26,30 is 32, then the variance of 28,36...

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  9. Standard deviation of a collection of data is 2sqrt(2). If each value ...

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  10. Given sum(x-barx)^(2)=48, barx=20 and n=12 . The coefficient of variat...

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  11. Mean and standard deviation of a data are 48 and 12 respectively. The ...

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  12. If phi is an impossible event, then P(phi)=............

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  13. If S is the sample space of a random experiment, then P(S)=..........

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  14. If p is the probability of an event A, then p satisfies ................

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  15. Let A and B be any two events and S be the corresponding sample space....

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  16. The probability that a student will score centum in mathematics is (4)...

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  17. If A and B are two events such that P(A)=0.25, P(B)=0.05 and P(AnnB)=0...

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  18. There are 6 defective items in a sample of 20 items. One item is drawn...

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  20. The probabilities of three mutually exclusive events A, B and C are gi...

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