The file P08_06.xlsx contains data on repetitive task times for each of two workers. John has been
Question:
a. Find a 95% confidence interval for the mean time it takes John to perform the task. Do the same for Fred.
b. Do you believe both of the confidence intervals in part a are valid and/or useful? Why or why not? Which of the two workers would you rather have, assuming that task time is the only issue?
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Related Book For
Data Analysis and Decision Making
ISBN: 978-0538476126
4th edition
Authors: Christian Albright, Wayne Winston, Christopher Zappe
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