Find the regression equation, letting the first variable be the predictor (x) variable. Find the indicated predicted values following the prediction procedure summarized in Figure 10-5.
1. Movie Budgets and GrossRefer to Data Set 9 in Appendix B and use the paired data consisting of movie budget amounts and the amounts that the movies grossed. Find the best predicted amount that a movie will gross if its budget is $120 million.
Data Set 9: Movies
STATDISK:
Data set name is Movies.
Minitab:
Worksheet name is MOVIES.MTW.
Excel:
Workbook name is MOVIES.XLS.
TI-83/84 Plus:
App name is MOVIES and the file names are the same as for text files.
Text file names:
MVBUD, MVGRS, MVLEN, MVRAT.
MPAA
Budget ($)
Gross ($)
Length
Viewer
Title
Rating
in Millions
(min)
8 Mile
R
41.0
117
110
6.7
Alone in the Dark
20.0
5
96
2.2
Aviator
PG-13
116.0
103
170
7.6
Big Fish
70.0
66
125
8.0
Bourne Identity
75.0
121
119
7.4
Break-Up
52.0
116
105
5.8
Charlie’s Angels: Full Throttle
120.0
101
106
4.8
Collateral
65.0
100
120
7.7
Crash
6.5
55
113
8.3
Daddy Day Care
PG
60.0
104
92
5.7
DaVinci Code
125.0
213
149
Eternal Sunshine
34
108
8.6
From Justin to Kelly
5.0
12
81
1.9
Harry Potter Goblet of Fire
150.0
290
157
7.8
Hostel
4.5
47
94
House of the Dead
7.0
10
90
2.0
Last Samurai
100.0
111
154
Million Dollar Baby
30.0
132
8.4
Pirates of the Carribbean (II)
225.0
322
150
7.5
Rollerball
19
97
2.7
S.W.A.T.
80.0
6.0
Secret Window
40.0
48
6.3
Signs
228
Silent Hill
50.0
127
6.6
Son of the Mask
74.0
17
Spider-Man 2
200.0
373
Star Wars III
113.0
380
140
Sum of All Fears
68.0
118
124
6.4
The Pianist
35.0
33
8.5
The Village
72.0
114
Van Helsing
160.0
5.3
Vanilla Sky
136
6.8
Walk the Line
29.0
8.1
War of the Worlds
132.0
234
Wedding Crashers
209
7.3
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