(Choose 1 answer)
(See picture)
A. -1.8940
B. None of the other choices is correct
C. 13.3561
D. -4.7134
E. 0.9795
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 R Square
0.8857
0.7845
Adjusted R Square
0.7801
Standard Error
1.3704
Observations
51
ANOVA
Regression
Residual
Total
50
Intercept
Hours
SS
MS
F Significance F
335.0472 335.04 178.3859
1.8782
427.0798
Coefficients Standard Error Stat P-value
0.4018 -4.7134 0.0000
0.0733 13.3561 0.0000
-1.8940
0.9795
Lower 95%
Upper 95%
-2.7015 -1.0865
0.8321 1.1269
The value of the measured t-test statistic to test whether mean
CAT ADV danande linearly on HOL TDCic
(14)
