Which of the following statements about simple linear regression are true? There may be more than one correct statement; check all that area true. a) The most common and practical test in simple linear regression has the null hypothesis Ho: Bo = 0. b) In simple linear regression, the sum of the residuals is always equal to the sample size. c) If the intercept is 0, that means there is no linear relationship between X and Y. d) The sample correlation coefficient always has the same sign as the sample slope.
Which of the following statements about simple linear regression are true? There may be more than one correct statement; check all that area true. a) The most common and practical test in simple linear regression has the null hypothesis Ho: Bo = 0. b) In simple linear regression, the sum of the residuals is always equal to the sample size. c) If the intercept is 0, that means there is no linear relationship between X and Y. d) The sample correlation coefficient always has the same sign as the sample slope.
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:Which of the following statements about simple linear regression are true? There
may be more than one correct statement; check all that area true.
a) The most common and practical test in simple linear regression has the null
hypothesis Ho: Bo = 0.
b) In simple linear regression, the sum of the residuals is always equal to the
sample size.
c) If the intercept is 0, that means there is no linear relationship between X
and Y.
d) The sample correlation coefficient always has the same sign as the sample
slope.
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