Question: Refer to Exercise 9.25. The table below shows the sample data collected to compare the average room rates at the Wyndham and Radisson hotel chains.

Refer to Exercise 9.25. The table below shows the sample data collected to compare the average room rates at the Wyndham and Radisson hotel chains.

Refer to Exercise 9.25. The table below shows the sample data collected

a. Do the data provide sufficient evidence to indicate a difference in the average room rates for the Wyndham and the Radisson hotel chains? Use α = .05.

b. Construct a 95% confidence interval for the difference in the average room rates for the two chains. Does this interval confirm your conclusions in part a?

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a The twotailed hypothesis is H 0 1 2 0 versus H a 1 2 0 and the test statistic is The rejection ... View full answer

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