Establish the comparison of coefficient of variation.
Public transportation and the automobile are two methods an employee can use to get to work each day. Samples of times recorded for each method are shown. Times are in minutes.
|
Public Transportations:
|
28
|
29
|
32
|
37
|
33
|
25
|
29
|
32
|
41
|
34
|
|
Automobile:
|
29
|
31
|
33
|
32
|
34
|
30
|
31
|
32
|
35
|
33
|
On the basis of your results from parts (A) and (B), which method of transportation should be preferred? Clarify.