A student wants to see if the correct answers to multiple choice problems are evenly distributed. She heard a rumor that if you don't know the answer, you should always pick C. In a sample of 80 multiple-choice questions from prior tests and quizzes, the distribution of correct answers are given in the table below. In all of these questions, there were four options {A, B, C, D}. Correct Answers (n=80)�=80) A B C D Count 30 10 11 29 Test the claim that correct answers for all multiple-choice questions are not evenly distributed. Test this claim at the 0.10 significance level. (a) Find the test statistic. (b-alt) Find the p-value. (c) Is there sufficient data to support the claim? Yes No
A student wants to see if the correct answers to multiple choice problems are evenly distributed. She heard a rumor that if you don't know the answer, you should always pick C. In a sample of 80 multiple-choice questions from prior tests and quizzes, the distribution of correct answers are given in the table below. In all of these questions, there were four options {A, B, C, D}. Correct Answers (n=80)�=80) A B C D Count 30 10 11 29 Test the claim that correct answers for all multiple-choice questions are not evenly distributed. Test this claim at the 0.10 significance level. (a) Find the test statistic. (b-alt) Find the p-value. (c) Is there sufficient data to support the claim? Yes No
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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A student wants to see if the correct answers to multiple choice problems are evenly distributed. She heard a rumor that if you don't know the answer, you should always pick C. In a sample of 80 multiple-choice questions from prior tests and quizzes, the distribution of correct answers are given in the table below. In all of these questions, there were four options {A, B, C, D}.
Correct Answers (n=80)�=80) | ||||
A | B | C | D | |
Count | 30 | 10 | 11 | 29 |
Test the claim that correct answers for all multiple-choice questions are not evenly distributed. Test this claim at the 0.10 significance level.
(a) Find the test statistic.
(b-alt) Find the p-value.
(c) Is there sufficient data to support the claim?
Yes
No
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