Elementary Statistics: A Step-by-Step Approach with Formula Card 9th Edition

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: 17

Answer

The following figure shows the histogram, frequency polygon, and ogive for the data, using relative frequencies. The shape of the histogram is non-symmetric and right skewed.
1565375303

Work Step by Step

Data Range: 270-80=190 Total data points: 46 Bin width (7 classes): $190/7=27.1$ use 28 Start point (bin1): 79.5 to avoid any data fall on the boundaries Count the frequency in each bin Calculate relative frequency Calculate cumulative frequency.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.