3. Hypothesis testing :
Should the CBC hire stars for their movies? To answer this question, run a hypothesis test to
see if there is a significant difference between the ratings of movies with stars vs. movies
without stars. Use the data for CBC movies only. Use 95% confidence. Explain your answerdo
not simply say yes or no without referring to the relevant figures.
Unit 6 [GB513: Business Analytics]
4. Regression:
CBC Management has several questions: Which has more impact on a movie’s rating: that it is
fact based or that it has one star? How much does each of these factors change the ratings?
Do you expect a fact based movie that does not have any stars to get better ratings than a
fiction movie with one star? Run a multiple regression where the dependent variable is ratings
and the independent variables are star and fact. Use data from all networks, not just CBC
movies. How well does this regression analysis explain the ratings? Justify your answers
based on the results
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