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 point that has a strong effect on the regression equation. O B. A residual is a value of y -y, which is the difference between an observed value of y and a predicted value of y. OC. A residual is a value that is determined exactly, without any error. O D. A residual is the amount that one variable changes when the other variable changes by exactly one unit. 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 V of the residuals is the V possible sum. sum sum of squares
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 point that has a strong effect on the regression equation. O B. A residual is a value of y -y, which is the difference between an observed value of y and a predicted value of y. OC. A residual is a value that is determined exactly, without any error. O D. A residual is the amount that one variable changes when the other variable changes by exactly one unit. 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 V of the residuals is the V possible sum. sum sum of squares
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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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 point that has a strong effect on the regression equation.
O B.
A residual is a value of y-y, which is the difference between an observed value of y and a predicted value of y.
O C. A residual is a value that is determined exactly, without any error.
O D. A residual is the amount that one variable changes when the other variable changes by exactly one unit.
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
possible sum.
sum
sum of squares
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?
OA. A residual is a point that has a strong effect on the regression equation.
O B. A residual is a value of y-y, which is the difference between an observed value of y and a predicted value of y.
O C. Aresidual is a value that is determined exactly, without any error.
O D. Aresidual is the amount that one variable changes when the other variable changes by exactly one unit.
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
possible sum.
lowest
highest
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