Question Help 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. Click the icon to view the gross receipts of the six movies. a. Compute the covariance between first weekend gross and national gross, first weekend gross and worldwide gross, and national gross and worldwide gross. Find the covariance between first weekend gross and national gross. (Round to four decimal places as needed.) i Gross receipts of six movies - X. First National Worldwide @ Title Weekend Gross Gross Movie A 90.466 317.833 976.846 Movie B 88.739 261.055 878.839 Movie C 93.745 249.047 795.868 Movie D 102.654 290.586 896.345 Movie E 77.273 292.374 938.653 Movie F 77.804 301.009 934.632 Print Done