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MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Please answer part b
Transcribed Image Text:A report included the accompanying data on extra travel time for peak travel time in hours per year per traveler for different sized urban areas. The data are summarized in the table below.
Very Large Urban Areas
Extra Hours per Year per Traveler
Los Angeles, CA
97
San Francisco, CA
76
Washington DC, VA, MD
73
Atlanta, GA
71
Houston, TX
Dallas, Fort Worth, TX
64
Chicago, IL-IN
62
Detroit, MI
61
Miami, FL
55
Boston, MA, NH, RI
55
New York, NY-NJ-CT
53
Phoenix, AZ
53
Philadelphia, PA-NJ-DE-MD
42
Large Urban Areas
Extra Hours per Year per Traveler
Riverside, CA
Orlando, FL
58
San Jose, CA
San Diego, CA
55
Denver, CO
54
Baltimore, MD
53
Seattle, WA
49
Tampa, FL
Minneapolis, St Paul, MN
46
Sacramento, CA
43
Portland, OR, WA
Indianapolis, IN
St Louis, MO-IL
38
San Antonio, TX
36
Providence, RI. MA
36
Las Vegas, Nv
33
Cincinnati, OH-KY-IN
33
|Columbus, OH
32
Virginia Beach, VA
Milwaukee, WI
26
New Orleans, LA
21
Kansas City, MO-KS
20
Pittsburgh, PA
17
Buffalo, NY
Oklahoma City, OK
15
Cleveland, OH
13
(a) Construct a comparative stem-and-leaf plot for extra travel time per traveler for the two different sizes of urban areas.(Enter numbers from smallest to largest separated by spaces. Enter NONE for stems with no values.)
Very Large Urban Areas
Large Urban Areas
2.4,5,6,9
none
1,2.2.5.5.7
0,1,2,5,8,8
3,3,5,5
2,3,4,5,7,7
1,2,4.7
Inone
1,3,6
none
Inone
(b) Is the following statement consistent with the display constructed in part (a)? Explain.
The larger the urban area, the greater the extra travel time during peak period travel.
O Each very large urban area has a greater amount of extra travel time than all of the large urban areas. So the statement is correct.
O Each large urban area has more extra travel time than all of the very large urban areas. So the statement is not correct.
O On average very large urban areas have more extra travel time than large urban areas. However there are examples where a particular large urban area has more extra travel time than at least one of the very large urban areas. So, the statement is not
correct.
O On average large urban areas have more extra travel time than very large urban areas. So, the statement is not correct.
O On average very large urban areas have more extra travel time than large urban areas. So, the statement is correct.
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