Use a graphing calculator to find the equation of the line of best fit for the data in the table below. Find the value of the correlation coefficient r. Then predict the number of movie tickets sold in 2014.   Year 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 Tickets Sold ​(millions) 1288 1303 1312 1336 1371 1368 1410 1418 1434 1459

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Part 1
Use a graphing calculator to find the equation of the line of best fit for the data in the table below. Find the value of the correlation coefficient r. Then predict the number of movie tickets sold in 2014.
 
Year
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
Tickets Sold
​(millions)
1288
1303
1312
1336
1371
1368
1410
1418
1434
1459
 
 
 

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Part 1
Find the equation of the line of best fit. Round to two decimal places as needed. Choose the correct answer below.
 
 
A.y equals 19.42 x plus 37 comma 527.15
y=19.42x+37,527.15
 
B.y equals negative 37 comma 527.15
y=−37,527.15
 
C.y equals 19.42 x minus 37 comma 527.15
y=19.42x−37,527.15
Your answer is correct.
 
D.y equals negative 37 comma 527.15 x plus 19.42
y=−37,527.15x+19.42
Part 2
The correlation coefficient r is
0.9920.992.
​(Round to three decimal places as​ needed.)
Part 3
The predicted number of movie tickets sold in
2014
is
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