42. Hurricanes. It has been suggested that global warming may increase the frequency of hurricanes. The data

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42. Hurricanes. It has been suggested that global warming may increase the frequency of hurricanes. The data show the number of hurricanes recorded annually before and after 1970. Has the frequency of hurricanes increased since 1970?

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a) Write the null and alternative hypotheses.

b) Are the conditions for hypothesis testing satisfied?

c) If so, test the hypothesis.

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Business Statistics

ISBN: 9780321716095

2nd Edition

Authors: Norean D. Sharpe, Paul F. Velleman, David Bock, Norean Radke Sharpe

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Question Posted: Sep 07, 2024 03:03 AM

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42. Hurricanes. It has been suggested that global warming may increase the frequency of hurricanes. The data

Question:

Before (1944-1969) 3, 3, 1, 2, 4, 3, 8, 5, 3, 4, 2, 6, 2, 2, 5, 2, 2, 7, 1, 2, 6, 1, 3, 1, 0, 5 After (1970-2000) 2, 1, 0, 1, 2, 3, 2, 1, 2, 2, 2, 3, 1, 1, 1, 3, 0, 1, 3, 2, 1, 2, 1, 1, 0, 5, 6, 1, 3, 5, 3, 4, 2, 3, 6, 7, 2

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Business Statistics

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