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S.D. of numbers observation a1, a2, a3,…...

S.D. of numbers observation `a_1, a_2, a_3,…..a_n` is `sigma` then the S.D. of the observations `lambdaa_1, lambdaa_2, lambdaa_3, lambdaa_3,....... lambdaa_n` is

A

`lambdasigma`

B

`-lambdasigma`

C

`|lambda| sigma`

D

`sigma`

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The correct Answer is:
C
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PATHFINDER-STATISTICS AND MATHEMATICAL REASONING-QUESTION BANK
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  13. If median = (mode + 2 mean ) Mean, then Mean is equal to

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  14. The scores of a batsman in ten innings are : 38, 70, 48, 34, 42, 55, 6...

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  15. The Standard Deviation of scores 1, 2, 3, 4, 5 is

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