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1. Incoming freshmen are given entrance examinations in a number of fields, including English. Over a period of years, it has been found that the average score in the English examination is 80 with a standard deviation of 7.8 An English instructor examines the scores for his class of 30 and finds that their average is 85. Can the instructor claim that the average scores have increase? Но: Ha: α Zri= Zcom = comparison Computation: DR: Conclusion:

1. Incoming freshmen are given entrance examinations in a number of fields, including English. Over a period of years, it has been found that the average score in the English examination is 80 with a standard deviation of 7.8 An English instructor examines the scores for his class of 30 and finds that their average is 85. Can the instructor claim that the average scores have increase? Но: Ha: α Zri= Zcom = comparison Computation: DR: Conclusion:

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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1. Incoming freshmen are given entrance examinations in a number of fields, including English. Over a period of years, it has been found that the average score in the English examination is 80 with a standard deviation of 7.8 An English instructor examines the scores for his class of 30 and finds that their average is 85. Can the instructor claim that the average scores have increase? Ho: Ha: a = Zcri= Zcom = comparison Computation: DR: Conclusion:
Transcribed Image Text:1. Incoming freshmen are given entrance examinations in a number of fields, including English. Over a period of years, it has been found that the average score in the English examination is 80 with a standard deviation of 7.8 An English instructor examines the scores for his class of 30 and finds that their average is 85. Can the instructor claim that the average scores have increase? Ho: Ha: a = Zcri= Zcom = comparison Computation: DR: Conclusion:
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