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. In addition to age grouping information, the audiences interviewed were also asked if they had seen the movie before (Never, Once, More than Once).
. In addition to age grouping information, the audiences interviewed were also asked if they had seen the movie before (Never, Once, More than Once). The two-way contingency table shows the results.
under 6 | 6 to 9 | 10 to 14 | 15 to 21 | over 21 | |
never | 39 | 60 | 84 | 16 | 151 |
Once | 3 | 20 | 38 | 2 | 15 |
more than once | 3 | 3 | 32 | 0 | 4 |
- Find the marginal distributions of their previous viewing of the movie.
- Verify that the marginal distribution of the ages is the same as that given previously.
- Find column percentages.
- Looking at these percentages, does the distribution of how many times someone has seen the movie look the same for each age group?
- Make a stacked bar chart showing the distribution of viewings for each age level
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