The Basic Practice of Statistics 7th Edition

Published by W. H. Freeman
ISBN 10: 146414253X
ISBN 13: 978-1-46414-253-6

Chapter 2 - Describing Distributions with Numbers - Chapter 2 Exercises - Page 71: 2.46

Answer

Both odors were associated with increased customer spending. The mean customer amounts spent (with no odor, with the lemon odor, and with the lavender odor) were 17.51 euros, 18.16 euros, and 21.12 euros. Also, the lowest customer amounts spent for the lemon and lavender odors were 3 and 5.6 euros more (respectively) than with no odor.

Work Step by Step

The means were computed by entering the data into Microsoft Excel.
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