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A professor wants to know if her Psychology statistics class has a good grasp of B math. Six students are chosen at random from the class and given a math proficie test. The professor wants the class to be able to score above 70 on the test. The students get scores of 62, 92, 75, 68, 83, and 95. Can the professor have confide that the mean score for the class on the test would be above 70 at a = 0.10?

A professor wants to know if her Psychology statistics class has a good grasp of B math. Six students are chosen at random from the class and given a math proficie test. The professor wants the class to be able to score above 70 on the test. The students get scores of 62, 92, 75, 68, 83, and 95. Can the professor have confide that the mean score for the class on the test would be above 70 at a = 0.10?

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
Section10.5: Comparing Sets Of Data
Problem 26PFA
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A professor wants to know if her Psychology statistics class has a good grasp of Basic math. Six students are chosen at random from the class and given a math proficiency test. The professor wants the class to be able to score above 70 on the test. The six students get scores of 62, 92, 75, 68, 83, and 95. Can the professor have confidence that the mean score for the class on the test would be above 70 at a = 0.10? What is the null hypothesis? What is the alternative hypothesis? What is the test statistic to be used? What is the appropriate critical region? What is the actual value of the test statistic? What is the statistical decision? What is the statistical conclusion?
Transcribed Image Text:A professor wants to know if her Psychology statistics class has a good grasp of Basic math. Six students are chosen at random from the class and given a math proficiency test. The professor wants the class to be able to score above 70 on the test. The six students get scores of 62, 92, 75, 68, 83, and 95. Can the professor have confidence that the mean score for the class on the test would be above 70 at a = 0.10? What is the null hypothesis? What is the alternative hypothesis? What is the test statistic to be used? What is the appropriate critical region? What is the actual value of the test statistic? What is the statistical decision? What is the statistical conclusion?
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