Tipping Many of us have heard that the tip should be 15% of the bill. The accompanying

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Tipping Many of us have heard that the tip should be 15% of the bill. The accompanying table lists some sample data collected from the author’s students. Use the sample data for the following.

a. Is there sufficient evidence to conclude that there is a relationship between the amount of the bill and the amount of the tip?

b. If there is a relationship, how do we use it to determine how much of a tip should be left?

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Elementary Statistics

ISBN: 9780201775709

9th Edition

Authors: Mario F. Triola

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