(Choose 1 answer)
(See picture)
A. 0.0356
B. None of the other choices is correct
C. 0.0286
D. 0.1021
Ε. 2.8633
ORi
It is believed that GPA (grade point average, based on a four point scale) should have a positive linear relationship with ACT scores.Given below is the Excel output for predicting GPA using ACT scores based a data set of 8 randomly chosen students from a Big-Ten university.
Regressing GPA on ACT
Regression Statistics
Multiple R
0.7598
R Square Adjusted R
0.5774
Square
0.5069
Standard Error
0.2691
Observations
8
ANOVA
df
SS
Significance
MS
F
F
Regression
1
0.5940 0.5940 8.1986 0.0286
Residual
6
0.4347 0.0724
Total
7
1.0287
Standard Error
Coefficients
t Stat P-value
Lower 95%
Upper 95%
Intercept
0.5681
ACT
0.1021
0.9284 0.6119 0.5630 0.0356 2.8633 0.0286
-1.70360.0148
2.8398 0.1895
The value of the measured test statistic to test whether there is any linear relationshin between GPA and ACT is
2
