Use the data in Example 1 and technology to construct 75%, 85%, and 90% confidence intervals for
Question:
Use the data in Example 1 and technology to construct 75%, 85%, and 90% confidence intervals for the mean number of hours worked by grocery store employees. How does the width of the confidence interval change as the level of confidence increases?
Data in Example 1
a. Enter the data.
b. Use the appropriate command to construct each confidence interval.
c. Compare the widths of the confidence intervals for c = 0.75, 0.85, and 0.90.
Transcribed Image Text:
7167 3322 1935 1431 1819 3332 3243 6013 6535 3435 3322 6008 2232 30 27 22 27
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a Enter the data b 75 CI 2...View the full answer
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Related Book For
Elementary Statistics Picturing The World
ISBN: 9780321911216
6th Edition
Authors: Ron Larson, Betsy Farber
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