# Movie companies need to predict the gross receipts of individual movies after a movie has debuted.

Movie companies need to predict the gross receipts of individual movies after a movie has debuted. The accompanying results are the first weekendÃ¢â‚¬â€¹ gross, the nationalÃ¢â‚¬â€¹ gross, and the worldwide grossÃ¢â‚¬â€¹ (in millions ofÃ¢â‚¬â€¹ dollars) of six movies. Complete partsÃ¢â‚¬â€¹ (a) throughÃ¢â‚¬â€¹ (d) below.
Click the icon to view the gross receipts of the six movies.
a. Compute the covariance between first weekend gross and nationalÃ¢â‚¬â€¹ gross, first weekend gross and worldwideÃ¢â‚¬â€¹ gross, and national gross and worldwide gross.
Find the covariance between first weekend gross and national gross.
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Ã¢â‚¬â€¹(Round to four decimal places asÃ¢â‚¬â€¹ needed.)
Find the covariance between first weekend gross and worldwide gross.
Find the covariance between national gross and worldwide gross.
b. Compute the coefficient of correlation between first weekend gross and nationalÃ¢â‚¬â€¹ gross, first weekend gross and worldwideÃ¢â‚¬â€¹ gross, and national gross and worldwide gross.
Find the coefficient of correlation between first weekend gross and national gross.
Ã¢â‚¬â€¹(Round to three decimal places asÃ¢â‚¬â€¹ needed.)
Find the coefficient of correlation between first weekend gross and worldwide gross.
Find the coefficient of correlation between national gross and worldwide gross.

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