2.50 Movie companies need to predict the gross receipts of individual movies once a movie has debuted. The following results, stored in [Potter Movies], are the first weekend gross, the U.S. gross, and the worldwide gross (in $millions) of the eight Harry Potter movies:

First Weekend U.S. Gross Worldwide Gross Title ($millions) ($millions) ($millions) Sorcerer's Stone 90.295 317.558 976.458 Chamber of Secrets 88.357 261.988 878.988 Prisoner of Azkaban 93.687 249.539 795.539 Goblet of Fire 102.335 290.013 896.013 Order of the Phoenix 77.108 292.005 938.469 Half-Blood Prince 77.836 301.460 934.601 Deathly Hallows Part 125.017 295.001 955.417 Deathly Hallows Part 169.189 381.011 1,328.111 II Source: Data extracted from www.the-numbers.com/interactive/comp-Harry-Potter.php