A survey is done of customers at a coffee shop to determine whether there is any difference in the type of drinks ordered based on the gender of the customers.
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 survey is done of customers at a coffee shop to determine whether there is any difference in the type of drinks ordered based on the gender of the customers.
|
|
Coffee |
Tea |
Cold drink |
Total |
|
Men |
80 |
76 |
34 |
190 |
|
Women |
55 |
39 |
66 |
160 |
|
Total |
135 |
115 |
100 |
350 |
What is the
Given information:
The data represents the cross tabulation corresponding to the number of customers of gender versus type of drinks ordered.
Denote the event that the customer order tea as T.
The total number of customers is n(S) = 350.
The number of customers who order tea is n(T) = 115.
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