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 Tickets Sold (millions) 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 1281 1296 1322 1322 1363 1363 1399 1410 1446 1453 Find the equation of the line of best fit. Round to two decimal places as needed. Choose the correct answer below. O A. y = -38,308.27x + 19.81 OC. y 19.81x-38,308.27 OB. y=-38,308.27 OD. y=19.81x + 38,308.27 The correlation coefficient r is .981. (Round to three decimal places as needed.) million. The predicted number of movie tickets sold in 2014 is (Round to the nearest whole number as needed.)

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 Tickets Sold (millions) 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 1281 1296 1322 1322 1363 1363 1399 1410 1446 1453 Find the equation of the line of best fit. Round to two decimal places as needed. Choose the correct answer below. O A. y = -38,308.27x + 19.81 OC. y 19.81x-38,308.27 OB. y=-38,308.27 OD. y=19.81x + 38,308.27 The correlation coefficient r is .981. (Round to three decimal places as needed.) million. The predicted number of movie tickets sold in 2014 is (Round to the nearest whole number as needed.)

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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Question

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
Tickets Sold
(millions)
1998 1999 2000 2001 2002 2003 2004 2005 2006 2007
1281 1296 1322 1322 1363 1363 1399 1410 1446 1453
Find the equation of the line of best fit. Round to two decimal places as needed. Choose the correct answer below.
O A. y=-38,308.27x+ 19.81
OC. y 19.81x-38,308.27
O B. y=-38,308.27
O D. y = 19.81x + 38,308.27
The correlation coefficient r is .981. (Round to three decimal places as needed.)
The predicted number of movie tickets sold in 2014 is
(Round to the nearest whole number as needed.)
million.

Definition Definition Relationship between two independent variables. A correlation tells the degree to which variables move in relation to each other. When two sets of data are related to each other, there is a correlation between them.

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