Consumer Reports provided overall customer satisfaction scores for AT&T, Sprint, T-Mobile, and Verizon cell phone services in major metropolitan areas throughout the United States. The rating for each service reflects the overall customer satisfaction considering a variety of factors such as cost, connectivity problems, dropped calls, static interference, and customer support. A satisfaction scale from 0 to 100 was used with 0 indicating completely dissatisfied and 100 indicating completely satisfied. The ratings for the four cell phone services in 20 metropolitan areas are as shown. Metropolitan Area Atlanta Boston Chicago Dallas Denver Detroit Jacksonville Las Vegas Los Angeles Miami Minneapolis Philadelphia Phoenix San Antonio San Diego San Francisco Seattle St. Louis Tampa Washington Consider T-Mobile first. What is the median rating (to 1 decimal)? Develop a five-number summary for the T-Mobile service. AT&T 78 77 79 83 79 81 81 80 74 76 76 80 76 83 77 74 76 82 81 80 Sprint · 74 77 73 73 75 73725737474 74 73 75 7 75 74 71 75 72 76 76 77 76 T-Mobile 79 82 78 82 81 85 83 82 76 81 83 79 84 83 80 81 82 82 81 79 Verizon 87 84 85 86 85 87 89 89 86 88 85 86 89 88 87 83 85 87 87 84
Consumer Reports provided overall customer satisfaction scores for AT&T, Sprint, T-Mobile, and Verizon cell phone services in major metropolitan areas throughout the United States. The rating for each service reflects the overall customer satisfaction considering a variety of factors such as cost, connectivity problems, dropped calls, static interference, and customer support. A satisfaction scale from 0 to 100 was used with 0 indicating completely dissatisfied and 100 indicating completely satisfied. The ratings for the four cell phone services in 20 metropolitan areas are as shown. Metropolitan Area Atlanta Boston Chicago Dallas Denver Detroit Jacksonville Las Vegas Los Angeles Miami Minneapolis Philadelphia Phoenix San Antonio San Diego San Francisco Seattle St. Louis Tampa Washington Consider T-Mobile first. What is the median rating (to 1 decimal)? Develop a five-number summary for the T-Mobile service. AT&T 78 77 79 83 79 81 81 80 74 76 76 80 76 83 77 74 76 82 81 80 Sprint · 74 77 73 73 75 73725737474 74 73 75 7 75 74 71 75 72 76 76 77 76 T-Mobile 79 82 78 82 81 85 83 82 76 81 83 79 84 83 80 81 82 82 81 79 Verizon 87 84 85 86 85 87 89 89 86 88 85 86 89 88 87 83 85 87 87 84
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 13PT
Related questions
Question
Transcribed Image Text:S
L
First quartile (to 2 decimals)
Median (to 1 decimal)
Third quartile (to 2 decimals)
Largest value
c. Are there outliers for T-Mobile? Explain.
x
All ratings are between
Smallest value
0000
First quartile (to 2 decimals)
Median (to 1 decimal)
No, the data do not contain outliers. V
d. Repeat parts (b) and (c) for the other three cell phone services.
Third quartile (to 2 decimals)
Largest value
Are there outliers for AT&T? Explain.
Limits for AT&T(to 1 decimal)
No, the data do not contain outliers. V
Are there outliers for Sprint? Explain.
Limits for Sprint(to 2 decimals)
X
and
No, the data do not contain outliers.
Are there outliers for Verizon? Explain.
Limits for Verizon (to 2 decimals)
AT&T
>
x
x
and
X and
x
X
3000
Sprint
and
X
X
X
Verizon
0000
X
*
X
X
X
Transcribed Image Text:9.
10.
♥
Consumer Reports provided overall customer satisfaction scores for AT&T, Sprint, T-Mobile, and Verizon cell phone services in major metropolitan areas
throughout the United States. The rating for each service reflects the overall customer satisfaction considering a variety of factors such as cost, connectivity
problems, dropped calls, static interference, and customer support. A satisfaction scale from 0 to 100 was used with 0 indicating completely dissatisfied and 100
indicating completely satisfied. The ratings for the four cell phone services in 20 metropolitan areas are as shown.
Metropolitan Area
Smallest value
Atlanta
Boston
Chicago
Dallas
Denver
Detroit
Jacksonville
Las Vegas
Los
Miami
Angeles
Minneapolis
Philadelphia
Phoenix
San Antonio
San Diego
San Francisco
Seattle
St. Louis
Tampa
Washington
a. Consider T-Mobile first. What is the median rating (to 1 decimal)?
X
b. Develop a five-number summary for the T-Mobile service.
*
AT&T
78
77
79
83
79
81
81
80
74
76
76
80
76
83
77
74
76
82
81
80
Sprint
74
72
73
73 75 73 77 76 73 77 74 74 74 73 76 7 275 74 71 76
72
T-Mobile
79
82
78
82
81
85
83
82
76
81
83
79
84
83
80
81
82
82
81
79
Verizon
87
84
85
86
85
87
89
89
86
88
85
86
89
88
87
83
85
87
87
84
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