VISA Card USA wanted to determine if there is a relationship between an individual's age and the method of payment they use. They gathered data on the type of payment used by 200 individuals which is reported in the table below:
|
|
Age Group
|
|
Payment Type
|
18 - 24
|
25 - 34
|
35 - 44
|
Over 44
|
|
Cash
|
20
|
20
|
10
|
10
|
|
Plastic (VISA, MC, etc.)
|
30
|
15
|
10
|
30
|
|
Phone App
|
10
|
10
|
5
|
0
|
a.What hypotheses are you testing in this situation?
b.Perform the test and provide the conclusion you make based on the test. (Use α = 0.01)