In the table below, add expected frequencies in parentheses next to the observed frequencies. One of the expected frequencies is provided for you as an example. Cigarette use Alcohol use Yes No Total Yes 1449 500 (668.8) 1949 No 46 281 327 Total 1495 781 2276
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.
- In the table below, add expected frequencies in parentheses next to the observed frequencies. One of the expected frequencies is provided for you as an example.
|
|
Cigarette use |
|
|
|
Alcohol use |
Yes |
No |
Total |
|
Yes |
1449 |
500 (668.8) |
1949 |
|
No |
46 |
281 |
327 |
|
Total |
1495 |
781 |
2276 |
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