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The file P02_02.xlsx contains data about 211 movies released in 2006 and 2007. The question to be explored in this problem is whether the total gross for a movie can be predicted from how it does in its first week or two.
a. Create a table of correlations between the five variables 7-day Gross, 14-day Gross, Total US Gross, International Gross, and US DVD Sales. (If you use Stat Tools, it will warn you about missing data, but don’t worry about it.) Does it appear that the last three variables are related to either of the first two?
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Order Paper Nowb. Explore the basic question further by creating a scatterplot of each of Total US Gross, International Gross, and US DVD Sales (Y axis) versus each of 7-day Gross and 14-day Gross (X axis)—six scatterplots in all. Do these support the claim that you can tell how well a movie will do by seeing how it does in its first week or two?
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