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Section 3.4 Functions Supplement [Type here] 5. The following table shows the average annual income in the United States, adjusted for inflation, for the given year. 15 20 25 30 t, yrs since 1980 I, annual income $23,109 $23,116 $25,284 $26,594 $30,719 $30,350 $28,838 10 a. Find the equation of the regression line. b. Plot the data along with the regression line. c. Explain in practical terms the meaning of the slope of the regression equation. d. During which year since 1990 was income much lower than would be expected from the regression model.

Section 3.4 Functions Supplement [Type here] 5. The following table shows the average annual income in the United States, adjusted for inflation, for the given year. 15 20 25 30 t, yrs since 1980 I, annual income $23,109 $23,116 $25,284 $26,594 $30,719 $30,350 $28,838 10 a. Find the equation of the regression line. b. Plot the data along with the regression line. c. Explain in practical terms the meaning of the slope of the regression equation. d. During which year since 1990 was income much lower than would be expected from the regression model.

Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
6th Edition
ISBN:9781337111348
Author:Bruce Crauder, Benny Evans, Alan Noell
Publisher:Bruce Crauder, Benny Evans, Alan Noell
Chapter3: Straight Lines And Linear Functions
Section3.CR: Chapter Review Exercises
Problem 15CR: Life Expectancy The following table shows the average life expectancy, in years, of a child born in...
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Section 3.4 Functions Supplement [Type here] 5. The following table shows the average annual income in the United States, adjusted for inflation, for the given year. 15 20 25 30 t, yrs since 1980 I, annual income $23,109 $23,116 $25,284 $26,594 $30,719 $30,350 $28,838 10 a. Find the equation of the regression line. b. Plot the data along with the regression line. c. Explain in practical terms the meaning of the slope of the regression equation. d. During which year since 1990 was income much lower than would be expected from the regression model.
Transcribed Image Text:Section 3.4 Functions Supplement [Type here] 5. The following table shows the average annual income in the United States, adjusted for inflation, for the given year. 15 20 25 30 t, yrs since 1980 I, annual income $23,109 $23,116 $25,284 $26,594 $30,719 $30,350 $28,838 10 a. Find the equation of the regression line. b. Plot the data along with the regression line. c. Explain in practical terms the meaning of the slope of the regression equation. d. During which year since 1990 was income much lower than would be expected from the regression model.
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