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TheWall Street Journalreported that the average amount of time that a French person spends eating ...

The Wall Street Journal reported that the average amount of time that a French person spends eating lunch at a restaurant is 22 minutes. Perform a hypothesis test to determine if a difference exists between the average time an American spends eating lunch when compared to a person from France. The following data represents the time, in minutes, that random French and American diners spent at lunch. Assume that the population variances are equal.

The standard deviation of the American sample is ________.

▸ 2.41

▸ 3.12

▸ 4.00

▸ 5.27

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Business Statistics

Edition: 2^nd

Author: Donnelly

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