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a. Find the range of the ratings for each sample. b. Make a comparative inference about the ratings of the books.

a. Find the range of the ratings for each sample. b. Make a comparative inference about the ratings of the books.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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1. A group of 10 people were asked to rate books, shown in the histograms. Book 1 Frequency 5 पं N 5 4 w Frequency N 2 4 6 8 10 12 Rating Book 2 0 2 4 6 8 10 12 Rating a. Find the range of the ratings for each sample. b. Make a comparative inference about the ratings of the books. A. The ratings vary to the same degree for both Book 1 and Book 2. B. The ratings vary less for Book 1 than for Book 2. C. The ratings vary less for Book 2 than for Book 1. 2. The box plots show the amount of time two groups of students spend reading in one week. Group A 0 0 2 4 6 8 Hours Group B + 4 10 + + 6 8 10 Hours a. What is the interquartile range of hours spent reading for Group A? b. What is the interquartile range of hours spent reading for Group B? c. Is the interquartile range for Group A less than or greater than the interquartile range for Group B?
Transcribed Image Text:1. A group of 10 people were asked to rate books, shown in the histograms. Book 1 Frequency 5 पं N 5 4 w Frequency N 2 4 6 8 10 12 Rating Book 2 0 2 4 6 8 10 12 Rating a. Find the range of the ratings for each sample. b. Make a comparative inference about the ratings of the books. A. The ratings vary to the same degree for both Book 1 and Book 2. B. The ratings vary less for Book 1 than for Book 2. C. The ratings vary less for Book 2 than for Book 1. 2. The box plots show the amount of time two groups of students spend reading in one week. Group A 0 0 2 4 6 8 Hours Group B + 4 10 + + 6 8 10 Hours a. What is the interquartile range of hours spent reading for Group A? b. What is the interquartile range of hours spent reading for Group B? c. Is the interquartile range for Group A less than or greater than the interquartile range for Group B?
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