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
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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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