An industrial engineer collected data on the labor time required to produce an order of automobile mufflers
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Question:
An industrial engineer collected data on the labor time required to produce an order of automobile mufflers using a heavy stamping machine. The data on times (hours) for n = 52 orders of different parts
has x? = 1.865 hours and s 2 = 1.5623 so s = 1.250 hours. What can one assert with 95% confidence about the maximum error if x? = 1.865 hours is used as a point estimate of the true population mean labor time required to run the heavy stamping machine?
Related Book For
Introduction to Statistical Investigations
ISBN: 978-1118922002
1st edition
Authors: Beth L.Chance, George W.Cobb, Allan J.Rossman Nathan Tintle, Todd Swanson Soma Roy
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