A set of n pieces of data has mean x and standard deviation S. Another set of
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A set of n pieces of data has mean x and standard deviation S.
Another set of 2n pieces of data has mean x and standard deviation ½ S.
Find the standard deviation of all these pieces of data together in terms of S.
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Interestingly in the real world no statistician would ever calculate stan...View the full answer
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Dudhat Vaidehi
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Related Book For 
Cambridge International AS & A Level Mathematics Probability & Statistics 1 Coursebook
ISBN: 9781108407304
1st Edition
Authors: Dean Chalmers, Julian Gilbey
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