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Scenario 3: On an examination given to students at a large number of different schools, the mean score was 74.5 and the standard deviation was 8.0. At one particular school where 28 students took the examination, the mean score was 75.9. At 5% level of significance, test if there is a significant difference between the sample average score and the previous average score. Test the hypothesis in the given situation. Follow the steps in hypothesis testing and draw a conclusion. Write the null and alternative hypothesis in sentence form and in symbols. Shade the rejection region in the normal curve. Write the conclusion in statement form.

Scenario 3: On an examination given to students at a large number of different schools, the mean score was 74.5 and the standard deviation was 8.0. At one particular school where 28 students took the examination, the mean score was 75.9. At 5% level of significance, test if there is a significant difference between the sample average score and the previous average score. Test the hypothesis in the given situation. Follow the steps in hypothesis testing and draw a conclusion. Write the null and alternative hypothesis in sentence form and in symbols. Shade the rejection region in the normal curve. Write the conclusion in statement form.

MATLAB: An Introduction with Applications
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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Scenario 3: On an examination given to students at a large number of different schools, the mean score was 74.5 and the standard deviation was 8.0. At one particular school where 28 students took the examination, the mean score was 75.9. At 5% level of significance, test if there is a significant difference between the sample average score and the previous average score. Test the hypothesis in the given situation. Follow the steps in hypothesis testing and draw a conclusion. Write the null and alternative hypothesis in sentence form and in symbols. Shade the rejection region in the normal curve. Write the conclusion in statement form. 3
Transcribed Image Text:Scenario 3: On an examination given to students at a large number of different schools, the mean score was 74.5 and the standard deviation was 8.0. At one particular school where 28 students took the examination, the mean score was 75.9. At 5% level of significance, test if there is a significant difference between the sample average score and the previous average score. Test the hypothesis in the given situation. Follow the steps in hypothesis testing and draw a conclusion. Write the null and alternative hypothesis in sentence form and in symbols. Shade the rejection region in the normal curve. Write the conclusion in statement form. 3
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