The accompanying data are 45 commute times to work in minutes for workers of age 16 or older in Chicago. Construct a frequency distribution. Use a class width of 15 minutes and begin with a lower class limit of 0 minutes. Do the data amounts appear to have a normal distribution? Examine the data and identify anything appearing to be unique. E Click the icon view the commute times. Construct the frequency distribution. Commute Time Frequency (minutes) 0- (Type whole numbers.) Do the data amounts appear to have normal distribution? O A. No, because the frequencies start at a maximum and become low, and because the distribution is not symmetric. O B. No, because while the frequencies start low, proceed to one or two high frequencies, then decrease to a low frequency, the distribution is not symmetric. OC. Yes, because the frequencies start low, proceed to one or two high frequencies, then decrease to a low frequency, and the distribution is approximately symmetric. O D. No, because while the distribution approximately symmetric, the frequencies start at a maximum and become low. Examine the data and identify anything appearing to be unique. Select all that apply. O A. Most of the data values are rounded to the nearest 5 or 10 minutes, and may be estimates of actual commute times. O B. Based on the gaps in the distribution, the data appear to be from two different populations. O C. The unusually large value of 80 minutes appears to be an error in recording the data. O D. The data are presented as quantitative but are actually categorical.
The accompanying data are 45 commute times to work in minutes for workers of age 16 or older in Chicago. Construct a frequency distribution. Use a class width of 15 minutes and begin with a lower class limit of 0 minutes. Do the data amounts appear to have a normal distribution? Examine the data and identify anything appearing to be unique. E Click the icon view the commute times. Construct the frequency distribution. Commute Time Frequency (minutes) 0- (Type whole numbers.) Do the data amounts appear to have normal distribution? O A. No, because the frequencies start at a maximum and become low, and because the distribution is not symmetric. O B. No, because while the frequencies start low, proceed to one or two high frequencies, then decrease to a low frequency, the distribution is not symmetric. OC. Yes, because the frequencies start low, proceed to one or two high frequencies, then decrease to a low frequency, and the distribution is approximately symmetric. O D. No, because while the distribution approximately symmetric, the frequencies start at a maximum and become low. Examine the data and identify anything appearing to be unique. Select all that apply. O A. Most of the data values are rounded to the nearest 5 or 10 minutes, and may be estimates of actual commute times. O B. Based on the gaps in the distribution, the data appear to be from two different populations. O C. The unusually large value of 80 minutes appears to be an error in recording the data. O D. The data are presented as quantitative but are actually categorical.
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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Transcribed Image Text:The accompanying data are 45 commute times to work in minutes for workers of age 16 or older in Chicago. Construct a frequency distribution. Use a class width of 15 minutes and begin with a lower class limit of 0 minutes. Do the data amounts
appear to have a normal distribution? Examine the data and identify anything appearing to be unique.
Click the icon to view the commute times.
.....
Construct the frequency distribution.
Commute Time
Frequency
(minutes)
0-
(Type whole numbers.)
Do the data amounts appear to have a normal distribution?
O A. No, because the frequencies start at a maximum and become low, and because the distribution is not symmetric.
B. No, because while the frequencies start low, proceed to one or two high frequencies, then decrease to a low frequency, the distribution is not symmetric.
C. Yes, because the frequencies start low, proceed to one or two high frequencies, then decrease to a low frequency, and the distribution is approximately symmetric.
D. No, because while the distribution is approximately symmetric, the frequencies start at a maximum and become low.
Examine the data and identify anything appearing to be unique. Select all that apply.
A. Most of the data values are rounded to the nearest 5 or 10 minutes, and may be estimates of actual commute times.
B. Based on the gaps in the distribution, the data appear to be from two different populations.
C. The unusually large value of 80 minutes appears to be an error in recording the data.
D. The data are presented as quantitative but are actually categorical.
III II
Transcribed Image Text:Commute times
60
15
35
30
15
45
10
15
15
30
12
30
30
45
30
20
20
25
60
15
28
30
30
60
30
45
30
12
45
20
10
45
35
60
20
20
30
4
80
45
30
60
45
25
30
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