how calculations or explanation for each question. a) Which of the following techniques is used to predict the value of one variable on the basis of other variables? a. Correlation analysis b. Coefficient of correlation c. Covariance d. Regression analysis b) In the least squares regression line, y^=3-2x the predicted value of y equals: a. 1.0 when x = −1.0 b. 2.0 when x = 1.0 c. 2.0 when x = −1.0 d. 1.0 when x = 1.0 c) In the simple linear regression model, the y-intercept represents the: a. change in y per unit change in x. b. change in x per unit change in y. c. value of y when x = 0. d. value of x when y = 0.
how calculations or explanation for each question. a) Which of the following techniques is used to predict the value of one variable on the basis of other variables? a. Correlation analysis b. Coefficient of correlation c. Covariance d. Regression analysis b) In the least squares regression line, y^=3-2x the predicted value of y equals: a. 1.0 when x = −1.0 b. 2.0 when x = 1.0 c. 2.0 when x = −1.0 d. 1.0 when x = 1.0 c) In the simple linear regression model, the y-intercept represents the: a. change in y per unit change in x. b. change in x per unit change in y. c. value of y when x = 0. d. value of x when y = 0.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.6: Regression And Median-fit Lines
Problem 6PPS
Related questions
Question
Show calculations or explanation for each question.
a) Which of the following techniques is used to predict the value of one variable on the
basis of other variables?
a.
b. Coefficient of correlation
c. Covariance
d. Regression analysis
b) In the least squares regression line, y^=3-2x the predicted value of y equals:
a. 1.0 when x = −1.0
b. 2.0 when x = 1.0
c. 2.0 when x = −1.0
d. 1.0 when x = 1.0
c) In the simple linear regression model, the y-intercept represents the:
a. change in y per unit change in x.
b. change in x per unit change in y.
c. value of y when x = 0.
d. value of x when y = 0.
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