Can anyone help with solution for this problem:
If y = |x| - 100, and if the standard deviation of x series is 'S', what is the standard deviation of y series?
Change in Standard Deviation?
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- AVbyT
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Hmm, it's hard to understand what this question is asking. How many numbers are in the sets?AVbyT wrote:Can anyone help with solution for this problem:
If y = |x| - 100, and if the standard deviation of x series is 'S', what is the standard deviation of y series?
What are the 5 answer choices?
Is this a GMAT question? What's the source?
Cheers,
Brent