(a) Use a graphing calculator to fit a regression line to the data in Exercise 63. In...
Question:
In Exercise 63
Year, x Total U.S. Expenditures
On pets (in billions)
1991, 0 ............................................... $19.6
1994, 3 ........................................... 24.9
1997, 6 ........................................... 32.5
2000, 9 .......................................... 39.7
2003, 12 .......................................... 46.8
2006, 15 .......................................... 56.9
2009, 18 .......................................... 67.1
(b) Estimate total U.S. expenditures on pets in 2015 and compare the value with the result found in Exercise 63.
(c) Find the correlation coefficient for the regression line and determine whether the line fits the data closely.
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Related Book For
College Algebra Graphs and Models
ISBN: 978-0321845405
5th edition
Authors: Marvin L. Bittinger, Judith A. Beecher, David J. Ellenbogen, Judith A. Penna
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