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A group says that the mean daily lodging cost for a family traveling in Region 1 is the same as in Region 2. The mean daily lodging cost for 41 families traveling in Region 1 is ?$142 with a population standard deviation of ?$25. The mean daily lodging cost for 41 families traveling in Region 2 is ?$135 with a population standard deviation of ?$19. At alpha (equals) α = 0.10, is there enough evidence to reject the? group's claim? Complete parts? (a) through? (e).
a) Identify the claim and state H0 and Ha.
What is the? claim?
?(b) Find the critical? value(s) and identify the rejection? region(s).
The critical? value(s) is/are [ ]?
What? is/are the rejection? region(s)?
?(c) Find the standardized test statistic z for μ1 - μ2.?
(d) Decide whether to reject or fail to reject the null hypothesis. Choose the correct answer below.?
(e) Interpret the decision in the context of the original claim.?
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