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In a test, the average score is 100 with a standard deviation of 15. You believe that the average score for your class is different from 100. You took a sample of 30 students. The average score for this group is 140 with a standard deviation of 15. Test the hypothesis that the average score is greater. Use a = .05. The rejection region for the test statistic is... less than -1.959963985 and greater than 1.959963985 less than - 2.045229642 and greater than 2.045229642 less than - 1.644853627 and greater than 1.644853627 O none of the above O O O O

In a test, the average score is 100 with a standard deviation of 15. You believe that the average score for your class is different from 100. You took a sample of 30 students. The average score for this group is 140 with a standard deviation of 15. Test the hypothesis that the average score is greater. Use a = .05. The rejection region for the test statistic is... less than -1.959963985 and greater than 1.959963985 less than - 2.045229642 and greater than 2.045229642 less than - 1.644853627 and greater than 1.644853627 O none of the above O O O O

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 26PFA
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QUESTION 6 In a test, the average score is 100 with a standard deviation of 15. You believe that the average score for your class is different from 100. You took a sample of 30 students. The average score for this group is 140 with a standard deviation of 15. Test the hypothesis that the average score is greater. Use a = .05. The rejection region for the test statistic is... less than -1.959963985 and greater than 1.959963985 less than - 2.045229642 and greater than 2.045229642 O less than - 1.644853627 and greater than 1.644853627 none of the above
Transcribed Image Text:QUESTION 6 In a test, the average score is 100 with a standard deviation of 15. You believe that the average score for your class is different from 100. You took a sample of 30 students. The average score for this group is 140 with a standard deviation of 15. Test the hypothesis that the average score is greater. Use a = .05. The rejection region for the test statistic is... less than -1.959963985 and greater than 1.959963985 less than - 2.045229642 and greater than 2.045229642 O less than - 1.644853627 and greater than 1.644853627 none of the above
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