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
icon
Related questions
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

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)
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)
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps with 1 images

Blurred answer
Knowledge Booster
Data Collection, Sampling Methods, and Bias
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman