[All Steps] Survey Refusals and Age Bracket A study of people who refused to answer survey questions provided the randomly selected sample data shown in the


Question: Survey Refusals and Age Bracket A study of people who refused to answer survey questions provided the randomly selected sample data shown in the table. At the 0.01 significance level, test the claim that the cooperation of the subject (response or refusal) is independent of the age category. Does any particular age group appear to be particularly uncooperative?

18-21 22-29 30-39 40-49 50-59 60 and over
Responded 73 255 245 136 138 202
Refused 11 20 33 16 27 49

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