Quz Business Stats Final an Holo & Jam TABLE 12-9 It is believed that the averag

Question

Quz Business Stats Final an Holo & Jam TABLE 12-9 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 Excel 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 ultiple R R Square Adjusted R Square Standard Er 0 885 1 3704 1335.0472 3350473 178 3859 Residial Total 8782 latercept 15 1 0865 -18940 -0401S 71342051E-as 27015 Referring to Table 12-9, the degrees of freedom for the F test on whether HOURS affects SALARY O 50,1 1,50 O 49,1 1.49

Explanation / Answer

here degree of freedom for numerator =number of variables -1 =2-1 =1

and degree of freedom for denominator =N-p =51-2=49

hence option 1,49 is correct

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