1. What type of analysis is appropriate for this question?
2. What are all of the null and alternative hypotheses for this?
3. Is there a significant difference in Total Domestic Gross for Drama vs Comedy films? Why?
4. Is there a significant difference in Total Domestic Gross for PG-13 vs R films? Why?
5. Is there a significant interaction effect on Total Domestic Gross between the factors? Why?
6. If you were to invest in a film, given the information above, what kind would you choose? Why?

1. Is there a difference in Total Domestic Gross (in Smil) between Comedy and Drama films, and between those rated PG-13 and R? The subset of this data contains 76 movies from various years, 17 each of the 4 different classifications. Use a significance level of a = 0.05. a) What type of analysis is appropriate for this question? b) What are all of the null and alternative hypotheses for this? Please see the table below for results of this analysis. SU MMARY Comedy Count 19 19 38 Sum 857.158 139.796 996.954 Average 45.114 7.358 26.236 Variance 4549.294 59.155 2607.958 Count 19 19 38 Sum 667.258 126.468 793.727 Average 35.119 6.656 20.888 Variance 1319.869 140.948 918.672 ANOVA Source of Variation Genre 543.439 1 543.439 0.358 0.5514 Rating 20828259 1 20828.259 13.727 0.0004 Interaction 410.237 1 410.237 0.270 0.6047 Within 109246.791 72 1517.317 131028.726 c) Is there a significa nt difference in Total Domestic Gross for Drama vs Comedy films? Why? d) Is there a significant difference in Total Domestic Gross for PG-13 vs R films? Why? e) Is there a significant interaction effect on Total Domestic Gross between the factors? Why? f) If you were to invest in a film, given the information above, what kind would you choose? Why