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...

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

Extracted 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:

Jun 04, 2022

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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...

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