Consider the following data and corresponding weights. xi Weight (wi) 3.2 ......... 6 2.0 ......... 3 2.5
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xi Weight (wi)
3.2 ......... 6
2.0 ......... 3
2.5 ......... 2
5.0 ......... 8
a. Compute the weighted mean.
b. Compute the sample mean of the four data values without weighting. Note the difference in the results provided by the two computations.
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Related Book For
Essentials Of Statistics For Business And Economics
ISBN: 9781305081598
7th Edition
Authors: David Anderson, Thomas Williams, Dennis Sweeney, Jeffrey Cam
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