What percent of the Facebook users in the sample were younger students? Find the distribution of Facebook use for each of the three age groups. Make a stacked bar graph to comp
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.
- Is there a relationship between Facebook use and age among college students? The following two-way table displays data for the 219 students who responded to the
Age
|
|
Younger (18–22) |
Middle (23–27) |
Older (28 and up) |
|
|
Facebook user? |
Yes |
78 |
49 |
21 |
|
|
No |
4 |
21 |
46 |
- What percent of the Facebook users in the sample were younger students?
- Find the distribution of Facebook use for each of the three age groups. Make a stacked bar graph to compare these
- Describe what the graph in part (e) reveals about the association between age and Facebook use.
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