The simple linear regression model can be written in the form y = β0 + β1x1 + β2x2 + ε.
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Q7: The correlation coefficient can only range between
Q8: Another name for an explanatory variable is
Q9: The sample correlation coefficient cannot equal zero.
Q12: The value 0.35 of a sample correlation
Q13: The actual value y may differ from
Q18: The correlation coefficient captures only a _
Q18: The correlation coefficient could be considered as
Q19: The positive square root of the coefficient
Q20: Compared to the sample correlation coefficient,the sample
Q21: A regression equation was estimated as
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