Use the following to answer questions 10-12:   Jean Siskel i…

Use the following to answer questions 10-12:   Jean Siskel is an entertainment analyst for West Coast Securities. He is trying to develop a model to estimate gross earnings generated by a new movie release.  He has collected the following data on 20 movies: Gross Earnings, Production Costs, Promotion Costs, and if the movie is based on a bestseller novel: Data: Movies