In Exercise 8.1.21 about cell phone use, what if the question was Are students more likely to

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In Exercise 8.1.21 about cell phone use, what if the question was “Are students more likely to be on their cell phones in the evening as they walk across campus than during the daytime?” How would you analyze the data now? Reanalyze the data by naming the test you will use, state the hypotheses, determine a p-value, and state your conclusion.


Data from Exercises 8.1.21

Are college students more likely to be on their cell phone at certain times of day than other times as they walk across their campus? Student researchers explored this question. Of the 221 students they observed in the morning, 44 were using their phone, of the 232 students they observed in the afternoon, 48 were using their phone, and of the 115 students they observed in the evening, 45 were using their phone.

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Introduction To Statistical Investigations

ISBN: 9781119683452

2nd Edition

Authors: Beth L.Chance, George W.Cobb, Allan J.Rossman Nathan Tintle, Todd Swanson Soma Roy

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