Determine the margin of error for a 95% confidence interval for the difference between population means for
Question:
a. nx = 10 s2x = 6 x-bar = 200
ny = 16 s2y = 10 y-bar = 160
b. nx = 5 s2x = 6 x-bar = 200
ny = 8 s2y = 10 y-bar = 160
c. The sample sizes in part a are double the sample sizes in part b. Comment on your answers to part a compared to your answers to part b.
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Related Book For
Statistics For Business And Economics
ISBN: 9780132745659
8th Edition
Authors: Paul Newbold, William Carlson, Betty Thorne
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