Grade distribution: A statistics teacher claims that, on the average, 20% of her students get a grade of A, 35% get a B, 25% get a C, 10% get a D, and 10% get an F. The grades of a random sample of 100 students were recorded. The following table presents the results. Grade A B C D F Observed 29 42 20 5 4 Test the hypothesis that the grades follow the distribution claimed by the teacher. Use the 0.05 level of significance.
Grade distribution: A statistics teacher claims that, on the average, 20% of her students get a grade of A, 35% get a B, 25% get a C, 10% get a D, and 10% get an F. The grades of a random sample of 100 students were recorded. The following table presents the results. Grade A B C D F Observed 29 42 20 5 4 Test the hypothesis that the grades follow the distribution claimed by the teacher. Use the 0.05 level of significance.
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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Please include all 6 steps to the p method!
Grade distribution: A statistics teacher claims that, on the average, 20% of her students get a grade of A, 35% get a B, 25% get a C, 10% get a D, and 10% get an F. The grades of a random sample of 100 students were recorded. The following table presents the results.
|
Grade |
A |
B |
C |
D |
F |
|
Observed |
29 |
42 |
20 |
5 |
4 |
|
Test the hypothesis that the grades follow the distribution claimed by the teacher. Use the 0.05 level of significance. |
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