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TABLE 13-8 It Is Believed That GPA (Grade Point Average, Based on Based

Question 131

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TABLE 13-8 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 Excel output for predicting GPA using ACT scores based a data set of 8 randomly chosen students from a Big-Ten university. -Referring to Table 13-8, what are the decision and conclusion on testing whether there is any linear relationship at 1% level of significance between GPA and ACT scores? A) Do not reject the null hypothesis; hence there is insufficient evidence to show that ACT scores and GPA are linearly related. B) Reject the null hypothesis; hence there is insufficient evidence to show that ACT scores and GPA are linearly related. C) Do not reject the null hypothesis; hence there is sufficient evidence to show that ACT scores and GPA are linearly related. D) Reject the null hypothesis; hence there is sufficient evidence to show that ACT scores and GPA are linearly related.

TABLE 13-8
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 Excel output for predicting GPA using ACT scores based a data set of 8 randomly chosen students from a Big-Ten university.
TABLE 13-8 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 Excel output for predicting GPA using ACT scores based a data set of 8 randomly chosen students from a Big-Ten university. -Referring to Table 13-8, what are the decision and conclusion on testing whether there is any linear relationship at 1% level of significance between GPA and ACT scores? A) Do not reject the null hypothesis; hence there is insufficient evidence to show that ACT scores and GPA are linearly related. B) Reject the null hypothesis; hence there is insufficient evidence to show that ACT scores and GPA are linearly related. C) Do not reject the null hypothesis; hence there is sufficient evidence to show that ACT scores and GPA are linearly related. D) Reject the null hypothesis; hence there is sufficient evidence to show that ACT scores and GPA are linearly related.
-Referring to Table 13-8, what are the decision and conclusion on testing whether there is any linear relationship at 1% level of significance between GPA and ACT scores?


A) Do not reject the null hypothesis; hence there is insufficient evidence to show that ACT scores and GPA are linearly related.
B) Reject the null hypothesis; hence there is insufficient evidence to show that ACT scores and GPA are linearly related.
C) Do not reject the null hypothesis; hence there is sufficient evidence to show that ACT scores and GPA are linearly related.
D) Reject the null hypothesis; hence there is sufficient evidence to show that ACT scores and GPA are linearly related.

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