Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 12 - Data Analysis and Probability - Chapter Review - Page 787: 8

Answer

You have to divide the data into intervals. The minimum is 121 and the maximum is 169. Divide the data into 5 intervals: 121-130 customers occur 2 times. 131-140 occur 6 times. 141-150 occur 4 times 151-160 occur 3 times 161-170 occur 1 time.
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Work Step by Step

Draw a bar to represent each interval's frequency:
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