The following data set refers to the number of customers per day at a jewelry kiosk in

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The following data set refers to the number of customers per day at a jewelry kiosk in Christiana Mall during a 20-day period:

8 10 18 58 58 59 63 64 69 71 75 78 80 82 84 84 86 87 87 88

a. Identify the first, second, and third quartiles.

b. Determine the interquartile range.

AppendixLO1

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Business Statistics

ISBN: 9780133852288

2nd Edition

Authors: Robert A Donnelly, Robert Donnelly Jr

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