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)
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 18HP
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Topic Video
Question
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
Transcribed Image Text: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)
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