Question
A total of 200 rods have been manufactured. You sample 50 of the rods and find that they have a mean length of 15.5 inches
A total of 200 rods have been manufactured. You sample 50 of the rods and find that they have a mean length of 15.5 inches with a standard deviation of 1.73 inches. Find the 80 % confidence limit for the mean length for all of the rods.
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Quantitative Analysis For Management
Authors: Barry Render, Ralph M. Stair, Michael E. Hanna
11th Edition
9780132997621, 132149117, 132997622, 978-0132149112
