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 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 05 b Const...

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

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

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.

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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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