Correlation & regression
6 practice questionsIntroductory StatisticsStep-by-step solutions
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1
A correlation coefficient r = −0.9 indicates:
A.A weak positive relationship
B.A strong negative linear relationship
C.No relationship
D.A perfect positive relationship
2
A correlation coefficient of 0 between two variables indicates:
A.A perfect positive relationship
B.No linear relationship
C.A perfect negative relationship
D.A causal link
3
In the simple linear regression equation y = mx + b, the symbol m represents the:
A.Intercept
B.Slope
C.Residual
D.Mean
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