A lecturer wanted to investigate the relationship between a student's final mark (in points) for a subject
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Question:
A lecturer wanted to investigate the relationship between a student's final mark (in points) for a subject and the average number ofhours of study per week, the student does, outside of class time. They gathered a random sample of data and used EXCEL to create the following simple linear regression:
SUMMARY OUTPUT | |
Regression Statistics | |
Multiple R | 0.910 |
R Square | 0.828 |
Observations | 58.3 |
Coefficients | Standard Error | |
Intercept | 17.511 | 0.905 |
Hours | 5.592 | 0.132 |
Estimate the final mark for a student that studied an average of 7 hours per week, outside of class time. Please give your answer correctly rounded to two decimal places and do NOT include units.
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