Movie companies need to predict the gross receipts of individual movies once the movie has debuted. The following results are the first weekend gross, the U. S. gross, and the worldwide gross (in million of
dollars) of the six Harry Potter movies that debuted from 2001 to 2009.
Title
First Weekend
U. S. Gross
Sorcerer's Stone
90.295
317.558
Chamber of Secrets
88.357
261.988
Prisoner of Azkaban
93.687 R
249.539
Goblet of Fire
102.335
290.013
Order of the Phoenix
77.108
292.005
Half-Blood Prince
77.836
301.460
a) Construct a scatter plot with first weekend gross on the X axis and U. S. gross on the Y axis.
b) Construct a scatter plot with first weekend gross on the X axis and worldwide gross on the Y axis.
c) What can you say about the relationship between first weekend gross and U. S. gross and first
weekend gross and worldwide gross?​