Kizspy | Question: 44
(Choose 1 answer)
(See picture)
A. 1.8782
B. 92.0326
C. 335.0472
D. 427.0798
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.
Regression Statistics
Multiple R
0.8857
R Square
0.7845
Adjusted R Square
0.7801
Standard Error
1.3704
Observations
51
ANOVA
af
Regression
Residual
Total
1
SS
MS
F
335.0472 335.04 178.3859
1.8782
Significance F
50
427.0798
Intercept
Hours
Coefficients Standard Error t Stat P-value Lower 95% Upper 95%
0.4018 -4.7134 0.0000
-1.0865
0.0733 13.3561 0.0000
1.1269
-1.8940
0.9795
-2.7015
0.8321
The error sum of squares (SSE) of the above regression is
