1) Calculate the mean commute time for each city depicted.
2) Does there seem to be a difference among the mean one-way commute times for these six cities?
3) Calculate the standard deviation for each city's commute time.
4) Does there seem to be a difference among the standard deviations between the one-way commute times for these six cities?
|
Atlanta
|
Boston
|
Dallas
|
Philadelphia
|
Seattle
|
St. Louis
|
|
29
|
18
|
42
|
29
|
30
|
15
|
|
21
|
37
|
25
|
20
|
23
|
24
|
|
20
|
27
|
26
|
33
|
31
|
42
|
|
15
|
25
|
32
|
37
|
39
|
23
|
|
37
|
32
|
20
|
42
|
14
|
33
|
|
26
|
34
|
26
|
|
|
18
|
|
|
48
|
35
|
|
|
|