Assume a Positive Correlation Is Found Between the Number of Hours

question 47

Multiple Choice

Assume a positive correlation is found between the number of hours students spend studying for an exam and their grade on the exam.If the regression equation for these data is calculated and the y intercept is 65, what conclusion can be drawn?

• A) The standard error of the estimate is low.
• B) The regression line crosses the x-axis at a score of 65.
• C) The slope of the regression line is 65 when students do not study at all.
• D) When students do not study at all, we would predict a score of 65 on the exam.

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