Find the trend line equation.

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School

Northern Virginia Community College *

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Course

224

Subject

Finance

Date

Jan 9, 2024

Type

docx

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2

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The file P10_02.xlsx contains midterm and final exam scores for 96 students in a corporate finance course. Each row contains the two exam scores for a given student, so you might expect them to be positively correlated. a. Select the appropriate scatterplot of the final exam score ( Y ) versus the midterm score ( X ). Find the trend line equation. Let X represent the midterm. Round your answers to three decimal places, if necessary. Ŷ = X + Find the R 2 value. Round your answer to three decimal places, if necessary. What does this equation indicate in terms of predicting a student's final exam score from his or her midterm score? Be specific. Round your answer to three decimal places, if necessary. When the midtermSelectmidtermfinalItem 8 exam increases by point, the finalSelectfinalmidtermItem 10 exam is expected to increase by . c. Run a regression to confirm the trend-line equation from part b . Let X represent the midterm. Round your answers to three decimal places, if necessary. Ŷ = + X What does the standard error of estimate say about the accuracy of the prediction requested in part b ? If necessary, round your standard error answer to two decimal digits. The standard error indicates that about 68%Select50%68%95%99%Item 14 of the predictions of the finalSelectfinalmidtermItem 15 exam score, made only from the midtermSelectfinalmidtermItem 16 score, will be withinSelectwithinoutsideItem 17 points of the actual finalSelectfinalmidtermItem 19 exam score.
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