Table 6 It is believed that, the average numbers of hours spent studying per day
ID: 3376043 • Letter: T
Question
Table 6 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 for predicting starting salary (Y) using number of hours spent studying per day (X) for a sample of 51 students. NOTE: Only partial output is shown. Multiple R R Square Adjusted R Square Standard Error Observations 0.8857 0.7845 0.7801 1.3704 ANOVA MS Si eance F 335.0472 333.0473 178.3839 1.8782 Residual Total 50 427.0798 8940 0.401 pper: 959% 0,0000 0.0000 Intereept Hours 0.4018 4.7134 0.073313.3561 2.7015 0.8321 1.0865 1?1269 0.9795 Note: 2.051E-05 -2.051 10-05 and 5.944E-18-5.944 10-18Explanation / Answer
Percent of variation explained
= R - square
= 78.45%
Option A is correct.
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