a. What is the null and alternative hypothesis? b. What is the test statistic to be used, the appropriate critical region and the actual value of the test statistic? c. What is the statistical decision and statistical conclusion?
a. What is the null and alternative hypothesis? b. What is the test statistic to be used, the appropriate critical region and the actual value of the test statistic? c. What is the statistical decision and statistical conclusion?
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 58E: What is meant by the sample space of an experiment?
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Transcribed Image Text:A test was conducted on the improvement of students before and after having remedial classes. Test
Score 1 was the result before having remedial classes and Test Score 2 after having remedial
classes. Is it possible that the two sets of score significantly differ? Use 0.05 level of significance.
Student
1
2
3
4
5
6
Test Score 1
25
36
45
20
23
33
Test Score 2
30
40
a. What is the null and alternative hypothesis?
b. What is the test statistic to be used, the appropriate
critical region and the actual value of the test statistic?
c. What is the statistical decision and statistical
conclusion?
41
22
20
35
Difference
5
4
-4
2
-3
2
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