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3. An instructor tells her statistic classes that the following is the historical breakdown of grades on test 1, and that this class should expect the same. A C D F 6% 14% 36% 24% 20% A student believes that this is merely a motivating ploy to encourage students to study harder. 150 students take the first exam, producing the following observed results. A B C F 27 33 57 18 15 At the 0.05 level of significance, test the claim that the instructor's information about the grade breakdown on test 1 is not correct. Expected Values = n(%) Path: Stat -> Goodness of Fit -> Chi Square Test

3. An instructor tells her statistic classes that the following is the historical breakdown of grades on test 1, and that this class should expect the same. A C D F 6% 14% 36% 24% 20% A student believes that this is merely a motivating ploy to encourage students to study harder. 150 students take the first exam, producing the following observed results. A B C F 27 33 57 18 15 At the 0.05 level of significance, test the claim that the instructor's information about the grade breakdown on test 1 is not correct. Expected Values = n(%) Path: Stat -> Goodness of Fit -> Chi Square Test

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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need to show the 5 step hypothesis
3. An instructor tells her statistic classes that the following is the historical breakdown of grades on test 1, and that this class should expect the same. A C F 6% 14% 36% 24% 20% A student believes that this is merely a motivating ploy to encourage students to study harder. 150 students take the first exam, producing the following observed results. A D F 27 33 57 18 15 At the 0.05 level of significance, test the claim that the instructor's information about the grade breakdown on test 1 is not correct. Expected Values = n(%) Path: Stat -> Goodness of Fit -> Chi Square Test Step 5: There sufficient evidence to conclude that
Transcribed Image Text:3. An instructor tells her statistic classes that the following is the historical breakdown of grades on test 1, and that this class should expect the same. A C F 6% 14% 36% 24% 20% A student believes that this is merely a motivating ploy to encourage students to study harder. 150 students take the first exam, producing the following observed results. A D F 27 33 57 18 15 At the 0.05 level of significance, test the claim that the instructor's information about the grade breakdown on test 1 is not correct. Expected Values = n(%) Path: Stat -> Goodness of Fit -> Chi Square Test Step 5: There sufficient evidence to conclude that
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