It is believed that, the average numbers of hours spent stu…
It is believed that, the average numbers of hours spent studying per day (HOURS) during undergraduate education should have a positive linear relationship with the starting salary (SALARY, measured in thousands of dollars per month) after graduation. Given below is the output from regressing starting salary on number of hours spent studying per day for a sample of 51 students. NOTE: Some of the numbers in the output are purposely erased. ANOVA df SS MS F Significance F Regression 335.0472 335.0473 178.3859 Residual 1.8782 Total 50 427.0798 Coefficients Standard Error t Stat P-value Intercept -1.8940 0.4018 2.051E-05 Hours 0.9795 0.0733 5.944E-18 Based on the above information, answer the following four questions.