2) The accompanying table shows the percent of the adult population that married before age 25 in several different years. Using the year as the independent variable, find the linear regression equation. Year (x) Percent (y) 1971 42.4 1976 37.4 1980 37.1 1984 34.1 1989 32.1 1993 28.8 1997 25.7 2000 25.5 a) Round the regression coefficients to the nearest hundredth. b) Using the equation found above, estimate the percent of the adult population in the year 2009 that will marry before age 25, and round to the nearest tenth of a percent.
2) The accompanying table shows the percent of the adult population that married before age 25 in several different years. Using the year as the independent variable, find the linear regression equation. Year (x) Percent (y) 1971 42.4 1976 37.4 1980 37.1 1984 34.1 1989 32.1 1993 28.8 1997 25.7 2000 25.5 a) Round the regression coefficients to the nearest hundredth. b) Using the equation found above, estimate the percent of the adult population in the year 2009 that will marry before age 25, and round to the nearest tenth of a percent.
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Transcribed Image Text:2) The accompanying table shows the percent of the adult population that married before
age 25 in several different years. Using the year as the independent variable, find the
linear regression equation.
Year (x) Percent (y)
1971
42.4
1976
37.4
1980
37.1
1984
34.1
1989
32.1
1993
28.8
1997
25.7
2000
25.5
a) Round the regression coefficients to the nearest hundredth.
b) Using the equation found above, estimate the percent of the adult population in the
year 2009 that will marry before age 25, and round to the nearest tenth of a percent.
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