A Linear Regression Model Is Developed That Has a Slope

question 49

Multiple Choice

A linear regression model is developed that has a slope of -2.5 and an intercept of 10.The sample coefficient of determination is 0.50.Which of the following statements is TRUE?

• A)The sample correlation coefficient must be 0.250.
• B)The sample correlation coefficient must be -0.707.
• C)The sample correlation coefficient must be -0.250.
• D)The sample correlation coefficient must be 1.00.

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