A professor is studying exam scores. As part of the study, the professor takes a sample of 25 exams and records the score. The data appear in the Exams worksheet of the Chp 11 HW Problems data workbook on Moodle. a) State the Hypothesis to show the variance in exam score is different than 64. b) Choose a level of a Use a= 0.05 for this problem. c) Sketch the sampling distribution. Include the critical value and test statistic d) Draw a conclusion and report that in the problem context. e) Calculate the p-value for the hypothesis test Score 80 73 81 78 88 79 77 84 62 70 69 75 84 77 75 71 65 79 68 85 74 52 70 77 84
A professor is studying exam scores. As part of the study, the professor takes a sample of 25 exams and records the score. The data appear in the Exams worksheet of the Chp 11 HW Problems data workbook on Moodle. a) State the Hypothesis to show the variance in exam score is different than 64. b) Choose a level of a Use a= 0.05 for this problem. c) Sketch the sampling distribution. Include the critical value and test statistic d) Draw a conclusion and report that in the problem context. e) Calculate the p-value for the hypothesis test Score 80 73 81 78 88 79 77 84 62 70 69 75 84 77 75 71 65 79 68 85 74 52 70 77 84
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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A professor is studying exam scores. As part of the study, the professor takes a sample of 25 exams and records the score. The data appear in the Exams worksheet of the Chp 11 HW Problems data workbook on Moodle. a) State the Hypothesis to show the variance in exam score is different than 64. b) Choose a level of a Use a= 0.05 for this problem. c) Sketch the sampling distribution. Include the critical value and test statistic d) Draw a conclusion and report that in the problem context. e) Calculate the p-value for the hypothesis test
| Score |
| 80 |
| 73 |
| 81 |
| 78 |
| 88 |
| 79 |
| 77 |
| 84 |
| 62 |
| 70 |
| 69 |
| 75 |
| 84 |
| 77 |
| 75 |
| 71 |
| 65 |
| 79 |
| 68 |
| 85 |
| 74 |
| 52 |
| 70 |
| 77 |
| 84 |
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