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For items 5-11:  Is there a significant difference in the GWA of senior high school students when grouped according to strand at 5% level of significance?

 

What is the null hypothesis?

A. At least one GWA is different from the other.

B. At most one GWA is different from the other. 

C. The GWA of senior high students are not the same when grouped according to strand.

D. The GWA of senior high students are the same when grouped according to strand. 

6. Which type of test will best represent the test of hypothesis?

A. two-tailed test B. left-tailed test C. one-tailed test D. right-tailed test

7.What statistical tool is best used to test the null hypothesis?

A. ANOVA B. Correlation  C. z-test    D. t-test

8. What is the critical value?

A. 3.0467        B. 0.6075        C. 0.5458     D. 4 

9. What is the p-value?

A. 0.6075       B. 0.5458        C. 4              D. 3.0467 

10. What is the test statistic?

A. 4                B. 0.6075        C. 0.5458     D. 3.0467

 

What decision and conclusion can we make from the test of hypothesis? (2 points)

A. Reject the null hypothesis and conclude that the GWA of senior high school students are the same when grouped according to strand at 5% level of significance.

B. Reject the null hypothesis and conclude that at least one GWA of senior high school students is different from the others when grouped according to strand at 5% level of significance.

C. Do not reject the null hypothesis and conclude that there is no significant difference in the GWA of senior high school students when grouped according to strand at 5% level of significance.

D. Do not reject the null hypothesis and conclude that at least one GWA of senior high school students is different from the others when grouped according to strand at 5% level of significance. 

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