Stats: Data and Models (3rd Edition)

Published by Pearson
ISBN 10: 0321692551
ISBN 13: 978-0-32169-255-9

Chapter 4 - Displaying and Summarizing Quantitative Data - Exercises - Page 73: 15

Answer

a) Mean = (565+750+850+900+1000+1050+1050+1200+1250+1400) / 10 = 1001.50 b) Median = (1000 + 1050)/2 = 1025 $Q_{1}$ = 3rd value = 850, $Q_{3}$ = 8th value = 1200 c) Range = 1400 – 565 = 835 IQR = $ Q_{3} - Q_{1}$ = 1200 – 850 = 350

Work Step by Step

as given in answer
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.

GradeSaver will pay $15 for your literature essays
GradeSaver will pay $25 for your college application essays
GradeSaver will pay $50 for your graduate school essays – Law, Business, or Medical
GradeSaver will pay $10 for your Community Note contributions
GradeSaver will pay $500 for your Textbook Answer contributions