TABLE 12-8
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 Microsoft Excel output for predicting GPA using ACT scores based a data set of eight randomly chosen students from a Big Ten university.

-Referring to Table 12-8, the value of the measured test statistic to test whether there is any linear relationship between GPA and ACT scores is _______.
A) 0.0356
B) 0.1021
C) 0.7598
D) 2.8633

Question

TABLE 12-8
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 Microsoft Excel output for predicting GPA using ACT scores based a data set of eight randomly chosen students from a Big Ten university.
 
-Referring to Table 12-8, the value of the measured test statistic to test whether there is any linear relationship between GPA and ACT scores is _______.
A) 0.0356 
B) 0.1021 
C) 0.7598 
D) 2.8633

Quizplus · Accepted Answer

The test statistic for testing the linear relationship between two variables, such as GPA and ACT scores, is typically calculated using regression analysis. The value of 2.8633 is likely the test statistic from such an analysis, indicating a significant linear relationship.

TABLE 12-8 It Is Believed That GPA (Grade Point Average, Based on Based