Here is a two-way table that classifies these subjects by whether or not they had arthritis of the hip or knee by their mid-fifties: Elite Played, but not Elite Did not Play Total Arthritis 10 9 24 43 No Arthritis 61 206 548 815 Total 71 215 572 858 Complete the table for the totals. What percent of the men in this study did not play soccer? Among these subjects who did not play soccer, what percent has arthritis of the hip or knee? What percent of the men in this study has arthritis of the hip or knee? What percent of the men in this study was former elite soccer players?
Contingency Table
A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.
Binomial Distribution
Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.
a study in Sweden looked at former elite soccer players, people who had played soccer, but not at the elite level, and people of the same age who did not play soccer. Here is a two-way table that classifies these subjects by whether or not they had arthritis of the hip or knee by their mid-fifties:
|
|
Elite |
Played, but not Elite |
Did not Play |
Total |
|
Arthritis |
10 |
9 |
24 |
43 |
|
No Arthritis |
61 |
206 |
548 |
815 |
|
Total |
71 |
215 |
572 |
858 |
- Complete the table for the totals.
- What percent of the men in this study did not play soccer?
- Among these subjects who did not play soccer, what percent has arthritis of the hip or knee?
- What percent of the men in this study has arthritis of the hip or knee?
- What percent of the men in this study was former elite soccer players?
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