midterm score in a large statistics class was 65 with an SD of 15. The average final score in the same class was 70 with an SD of 10. The correlation coefficient between midterm and final scores was r=0.6. Using the regression line, we predict the final score of a student with a midterm score of 80 to be , but this prediction is likely to be off by about . Fill in the blanks, rounding each answer to one decimal point.
midterm score in a large statistics class was 65 with an SD of 15. The average final score in the same class was 70 with an SD of 10. The correlation coefficient between midterm and final scores was r=0.6. Using the regression line, we predict the final score of a student with a midterm score of 80 to be , but this prediction is likely to be off by about . Fill in the blanks, rounding each answer to one decimal point.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.6: Regression And Median-fit Lines
Problem 1BGP
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The average midterm score in a large statistics class was 65 with an SD of 15. The average final score in the same class was 70 with an SD of 10. The
Using the regression line, we predict the final score of a student with a midterm score of 80 to be , but this prediction is likely to be off by about .
Fill in the blanks, rounding each answer to one decimal point.
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