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Question: movie companies need to predict the gross receipts of individual...

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Movie companies need to predict the gross receipts of individual movies after a movie has debuted. The accompanying results are the first weekend​ gross, the national​ gross, and the worldwide gross​ (in millions of​ dollars) of six movies. Complete parts​ (a) through​ (d) below..

a. Compute the covariance between first weekend gross and national​ gross, first weekend gross and worldwide​ gross, and national gross and worldwide gross.

QUESTION 1: Find the covariance between first weekend gross and national gross. nothing ​(Round to four decimal places as​ needed.)

Title First Weekend   National Gross   Wordwide Gross
Movie A 90.868 317.036 976.867
Movie B 88.947 261.469 878.796
Movie C 93.682 249.394 795.296
Movie D 102.506 290.303 896.347
Movie E 77.133 292.853 938.099
Movie F 77.965 301.232 934.742

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