SOLUTION: Please explain. The paired data below consist of the test scores of 6 randomly selected students and the number of hours they studied for a test. Use the regression line to pred

Question 1139076: Please explain.
The paired data below consist of the test scores of 6 randomly selected students and the number of hours they studied for a test. Use the regression line to predict a student’s score if the student studied for 7 hours.
hours 5 10 4 6 10 9
scores 64 86 69 86 59 87
Equation of the regression line: ____________________________
Prediction: ___________________________________

Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
Put in calculator and equation is
y (score)=1.066 x+67.35 , where x=hours
prediction would be y(7)=74.81 or 75
NOTE: the r^2 is 0.05, meaning that this is not a good fit for the data. Diagnostics would likely show that the assumptions may not be valid.
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