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These are a few multiple choice questions realting to Regression Correlation . Can you please explain to be step by step the correct multiple choice
These are a few multiple choice questions realting to Regression Correlation. Can you please explain to be step by step the correct multiple choice answer. Thank you
QUESTION 1
- A linear regressionhas the following equation: y = -0.52x + 10, with a coefficient of determination R2= 0.64. What is the correlation coefficient, rounded to two decimal places?
a.0.80
b.0.41
c.-0.80
d.-0.41
QUESTION 2
- A linear regressionhas the following equation: y = -0.36x + 10, with a correlation coefficient of R=-0.49. What is the coefficient of determination, rounded to two decimal places?
a.0.24
b.-0.24
c.0.7
d.-0.7
QUESTION 3
- A linear regression has the following equation:y = 5.38x -4.37, with a coefficient of determination of R2=0.87. How would you describe this correlation?
a.Weak Negative
b.Weak Positive
c.Strong Positive
d.Strong negative
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