a. What is a residual? b. In what sense is the regression line the straight line that "best" fits the points in a scatterplot? a. What is a residual? O A. A residual is a value that is determined exactly, without any error. O B. A residual is the amount that one variable changes when the other variable changes by exactly one unit. O C. A residual is a point that has a strong effect on the regression equation. OD. A residual is a value of y-ŷ, which is the difference between an observed value of y and a predicted value of y. b. In what sense is the regression line the straight line that "best" fits the points in a scatterplot? The regression line has the property that the of the residuals is the sum of squares sum possible sum. …….
a. What is a residual? b. In what sense is the regression line the straight line that "best" fits the points in a scatterplot? a. What is a residual? O A. A residual is a value that is determined exactly, without any error. O B. A residual is the amount that one variable changes when the other variable changes by exactly one unit. O C. A residual is a point that has a strong effect on the regression equation. OD. A residual is a value of y-ŷ, which is the difference between an observed value of y and a predicted value of y. b. In what sense is the regression line the straight line that "best" fits the points in a scatterplot? The regression line has the property that the of the residuals is the sum of squares sum possible sum. …….
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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Transcribed Image Text:a. What is a residual?
b. In what sense is the regression line the straight line that "best" fits the points in a scatterplot?
a. What is a residual?
O A. A residual is a value that is determined exactly, without any error.
O B. A residual is the amount that one variable changes when the other variable changes by exactly one unit.
O C. A residual is a point that has a strong effect on the regression equation.
OD. A residual is a value of y-ŷ, which is the difference between an observed value of y and a predicted value of y.
b. In what sense is the regression line the straight line that "best" fits the points in a scatterplot?
The regression line has the property that the
of the residuals is the
sum of squares
sum
possible sum.
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