Question: 48
(Choose 1 answer)
(See picture)
A. 0.0356
B. 0.1021
C. 0.0286
D. 2.8633
E. None of the other choices is correct
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
0.5774
Adjusted R
Square
0.5069
Standard Error
0.2691
Observations
8
ANOVA
Significance
af
SS
MS
F
F
Regression
Residual
Total
1
0.5940 0.5940 8.1986
0.4347 0.0724
0.0286
7
1.0287
Standard
Intercept
ACT
Coefficients Error t Stat P-value Lower 95% Upper 95%
0.5681
0.1021
0.9284 0.6119 0.5630
0.0356 2.8633 0.0286
-1.7036
0.0148
2.8398
0.1895
The value of the measured test statistic to test whether there is any
linear relationship between GPA and ACT is_
