Suppose that you have collected market survey data for gender and product purchase. Perform a chisquare test to determine if there is a different probability of purchase among men and women. Include in your answer the expected cell values under the null hypothesis. Gender Decision Male Female Purchase No purchase 150 50 150 250
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.
Suppose that you have collected market survey data for gender and product purchase. Perform a chisquare test to determine if there is a different probability of purchase among men and women. Include in your answer the expected cell values under the null hypothesis.
| Gender | ||
| Decision | Male | Female |
|
Purchase No purchase |
150 50 |
150 250 |
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