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Mathematics, 12.11.2019 04:31 neariah24
Amental health service agency is conducting a study of how clients pay for the counseling services they receive. the agency accepts payment in one of four ways: in person, by mail, by credit card, or by third-party insurance. the agency randomly sampled 400 clients to determine if there is a relationship between the client’s age and the payment method used. the following sample results were obtained:
counseling service payments
payment method
age of client
20-30
31-40
41-50
over 50
in person
8
12
11
13
by mail
29
67
72
50
by credit card
26
19
5
7
by third-party insurance
23
35
17
6
based on the sample data, can the agency conclude there is a relationship between the age of the client and the payment method used? conduct the appropriate test at the α = 0.01 level of significance.
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