A movie producer held a preview screening of her new movie to find out how the film would be received by viewers of different age groups. The
table shows the number of viewers of different age groups who rated the movie as excellent, average, or poor. Note: A rating of "excellent"
means the audience liked the movie, while a rating of "poor" means the audience disliked the movie.
Marginal
Total
Poor
Excellent Average
78
41
33
43
154
Age Groups
16-30
30-44
45+
Marginal
Total
33
37
111
81
23
149
97
100
346
Out of the total number of respondents, the percentage of respondents in the 30-44 age group who rated the film as excellent rounded to the
nearest hundredth of a percent is

In a study of the relationship between socio-economic class and unethical behavior, 129 university of california undergraduates at berkeley were asked to identify themselves as having low or high social-class by comparing themselves to others with the most (least) money, most (least) education, and most (least) respected jobs. they were also presented with a jar of individually wrapped candies and informed that the candies were for children in a nearby laboratory, but that they could take some if they wanted. after completing some unrelated tasks, participants reported the number of candies they had taken. it was found that those who were identiď¬ed as upper-class took more candy than others. in this study, identify: (a) the cases, (b) the variables and their types, (c) the main research question, (d) identify the population of interest and the sample in this study, and (e) comment on whether or not the results of the study can be generalized to the population, and if the ď¬ndings of the study can be used to establish causal relationships.