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Facts about Standard Deviation: (1) Multiplying all the numbers change Standard Deviation (2) Adding and subtracting all the numbers with the same number keeps the standard deviation same. If you observe Set I and III are added versions of Set Q . Set I: 5 has been added to the Set Q Set III: Subtract each element from 80 and you would find a number there in the Set Q. Set II: elements are multiplied by 2 and standard deviation changes.

Re: Set Q consists of the following five numbers [#permalink]
29 Mar 2014, 10:55

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Great to know you are joining Kellogg. A lot was being talked about your last minute interview on Pagalguy (all good though). It was kinda surprise that you got the...