The mean room rate for two adults for a random sample of 26 three-star hotels in Cincinnati
Question:
The mean room rate for two adults for a random sample of 26 three-star hotels in Cincinnati has a sample standard deviation of \(\$ 31\). Assume the population is normally distributed.
(a) Construct a 99\% confidence interval for the population variance.
(b) Construct a \(99 \%\) confidence interval for the population standard deviation.
(c) A travel analyst claims that the standard deviation of the mean room rate for two adults at three-star hotels in Cincinnati is at most \(\$ 30\). At \(\alpha=0.01\), can you reject the travel analyst's claim? Interpret the decision in the context of the original claim.
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a 51195 228375 b 2263 4779 c There is not enoug...View the full answer
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Related Book For 
Elementary Statistics Picturing The World
ISBN: 9781292260464
7th Global Edition
Authors: Betsy Farber, Ron Larson
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