Kizspy | Question: 49
(Choose 1 answer)
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.
The value of test statistic to test whether average SALARY depends linearly on HOURS is
A. 13.3561
Β. -4.7134
C. 0.9795
E. None of the other choices is correct
D. -1.8940
Regression Statistics
Multiple R
R Square
Adjusted R Square
Standard Error
Observations
ANOVA
Significance F
df Regression 1
Residual
Total
0.8857
0.7845
0.7801
1.3704
51
SS
MS
F
335.0472 335.0473 178.3859
1.8782
50 427.0798
Coefficients
Intercept -1.8940
Hours
0.9795
Standard Error t Stat
0.4018
0.0733
Lower 95%
p-value -4.7134 2.051E-05 -2.7015 -1.0865
13.3561 5.944E-18
0.8321
1.1269
Upper 95%
