EBK STATISTICS
4th Edition
ISBN: 8220102019805
Author: KLINGENBERG
Publisher: YUZU
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Chapter 14.2, Problem 18PB
a.
To determine
Show that the margin of error for comparing means is 1.9.
Explain the reason for margin of error for comparing each pair of means is 1.9.
b.
To determine
Construct a 95% confidence interval for each pair service centers.
Interpret the intervals.
c.
To determine
Construct a 95% confidence interval for each pair service centers. Interpret the intervals.
d.
To determine
Explain the reason for confidence interval is different in part (b) and part (c).
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Chapter 14 Solutions
EBK STATISTICS
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