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ISRO | ISRO CS 2020 | Question 39

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  • Last Updated : 04 Sep, 2020
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For the distributions given below :

Which of the following is correct for the above distributions ?
(A) Standard deviation of A is significantly lower than standard deviation of B
(B) Standard deviation of A is slightly lower than standard deviation of B
(C) Standard deviation of A is same as standard deviation of B
(D) Standard deviation of A is significantly higher than standard deviation of B


Answer: (C)

Explanation: Standard deviation of A is same as standard deviation of B.

Variance is the sum of squares of differences between all numbers and means. Standard Deviation is square root of variance.

Option (C) is correct.

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