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(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
Regression Statistics
Multiple R
0.8857
R Square
0.7845
Adjusted R Square
0.7801
Standard Error
1.3704
Observations
51
ANOVA
df
SS
MS
F
Significance F
Regression 1
Residual
335.0472
335.0473
1.8782
178.3859
50 427.0798
Total
Intercept
Hours
Standard Error t Stat p-value Lower 95% Upper 95%
Coefficients
-1.8940
0.9795
0.4018
0.0733
-4.7134 2.051E-05
13.3561 5.944E-18
-2.7015
0.8321
-1.0865
1.1269
A. None of the other
choices is correct
B. 13.3561
C. -4.7134
D. 0.9795
E. -1.8940
FUO.sh
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