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The following are the average grade of a sample of 20 Senior High School students for the first semester. Test the claim that the average grade of the students is LESS THAN 90. Use 5% level of significance. 91 88 93 95 95 85 89 93 89 91 91 92 89 89 84 87 88 88 89 93

The following are the average grade of a sample of 20 Senior High School students for the first semester. Test the claim that the average grade of the students is LESS THAN 90. Use 5% level of significance. 91 88 93 95 95 85 89 93 89 91 91 92 89 89 84 87 88 88 89 93

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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The following are the average grade of a sample of 20 Senior High School students for the first semester. Test the claim that the average grade of the students is LESS THAN 90. Use 5% level of significance. 91 88 93 95 95 85 89 93 89 91 91 92 89 89 84 87 88 88 89 93
Transcribed Image Text:The following are the average grade of a sample of 20 Senior High School students for the first semester. Test the claim that the average grade of the students is LESS THAN 90. Use 5% level of significance. 91 88 93 95 95 85 89 93 89 91 91 92 89 89 84 87 88 88 89 93
Which is the conclusion? Therefore, at 5% level of significance, it can be concluded that a. the average grade of the students is greater than 90. O b. the average grade of the students is less than 90. the average grade of the students is equal to 90. O d. the average grade of the students is not equal to 90. Clear my choice
Transcribed Image Text:Which is the conclusion? Therefore, at 5% level of significance, it can be concluded that a. the average grade of the students is greater than 90. O b. the average grade of the students is less than 90. the average grade of the students is equal to 90. O d. the average grade of the students is not equal to 90. Clear my choice
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