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30 Jul 2003, 20:57
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Hi fellow GMAT friends,
I just want to clarify my knowledge on range. If there a set of number whose range is zero, are we certain that the standard deviation is zero in this case?
I am confused on this.
I know that range is the largest number minus the smallest number, but how is it related to S.D?
Thank you in advance!
I just want to clarify my knowledge on range. If there a set of number whose range is zero, are we certain that the standard deviation is zero in this case?
I am confused on this.
I know that range is the largest number minus the smallest number, but how is it related to S.D?
Thank you in advance!
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This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
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30 Jul 2003, 21:08
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boarderlee
the "standard deviation" is a measure of dispersion or "how different are the numbers from its average".
A set of numbers with range of zero means that all of the numbers are the same, hence the dispersion of the numbers from its mean is obviously zero.
Archived Topic
Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Where to now? Join ongoing discussions on thousands of quality questions in our Quantitative Questions Forum
Still interested in this question? Check out the "Best Topics" block above for a better discussion on this exact question, as well as several more related questions.
Thank you for understanding, and happy exploring!
