The report “Majoring in Money: How American College Students Manage Their Finances” (Sallie Mae 2016) includes the following data on whether students in different age groups have at least one credit card. Data was based on a survey of randomly selected US college students.

Does the data provide convincing evidence that, among US college students, credit card ownership rate varies by age group? Test at the α = .01 significance level.

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Age 18-20 21-22 23-24 n 348 258 187 Credit card(s)? 43% 63% 71%