Question: Test the claim that there is a difference between the mean for presidents and the mean for British monarchs. Refer to the numbers of years

Test the claim that there is a difference between the mean for presidents and the mean for British monarchs.

Refer to the numbers of years that U.S. presidents, popes, and British monarchs lived after their inauguration, election, or coronation respectively. The data are listed in the table in Review Exercise 8.

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