Cumulative Cumulative Cumulative Relative Percentage Phone Bill Frequency Frequency Frequency Frequency 13.0 $o to s$15 >$15 to s$30 >$30 to s$45 26 26 0.130 40 66 0.330 33.0 34 100 0.500 50.0 >$45 to s$60 28 128 0.640 64.0 >$60 to s$75 >$75 to s$90 >$90 to s$105 >$105to s$120 13 141 0.705 70.5 28 169 0.845 84.5 17 186 0.930 93.0 14 200 1.000 100.0 Total 200 (i) How many people did we interview? (ii) How many people are there who spend between $30 and $95 per month? What is the fraction of people who spend between $75 and $90 per month among all interviewees? (iii)
Cumulative Cumulative Cumulative Relative Percentage Phone Bill Frequency Frequency Frequency Frequency 13.0 $o to s$15 >$15 to s$30 >$30 to s$45 26 26 0.130 40 66 0.330 33.0 34 100 0.500 50.0 >$45 to s$60 28 128 0.640 64.0 >$60 to s$75 >$75 to s$90 >$90 to s$105 >$105to s$120 13 141 0.705 70.5 28 169 0.845 84.5 17 186 0.930 93.0 14 200 1.000 100.0 Total 200 (i) How many people did we interview? (ii) How many people are there who spend between $30 and $95 per month? What is the fraction of people who spend between $75 and $90 per month among all interviewees? (iii)
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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The following table shows a study involving interviewees who were asked to provide information about how much they spend on their phone bill each month.
(i) How many people did we interview?
(ii) How many people are there who spend between $30 and $95 per month?
(iii) What is the fraction of people who spend between $75 and $90 per month among all interviewees?
Table attached in picture
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