Risks of playing soccer. A study in Sweden looked at former elite soccerplayers, people
Chapter 0, Problem 6.1(choose chapter or problem)
Risks of playing soccer. A study in Sweden looked at former elite soccerplayers, people who had played soccer but not at the elite level, and people of thesame age who did not play soccer. Here is a two-way table that classifies thesesubjects by whether or not they had arthritis of the hip or knee by theirmidfifties:2Elite Non-elite Did not playArthritis 10 9 24No arthritis 61 206 548(a) How many people do these data describe?(b) How many of these people have arthritis of the hip or knee?(c) Give the marginal distribution of participation in soccer, both as counts andas percents.
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