Answer
The following figure shows the histogram, frequency polygon, and ogive for the data.
The distribution is slightly right skewed.
There were 10 patients waited longer than 30 minutes.
Elementary Statistics: A Step-by-Step Approach with Formula Card 9th Edition
by Bluman, Allan
Published by
McGraw-Hill Education
ISBN 10:
0078136334
ISBN 13:
978-0-07813-633-7
Chapter 2 - Frequency Distributions and Graphs - 2-2 Histograms, Frequency Polygons, and Ogives - Exercises 2-2 - Page 67: 12
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