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 84 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}. (a) Find the test statistic. Correct Answers (n = 84) A C D Count 13 31 19 Test the claim that correct answers for all multiple-choice questions are not evenly distributed. Test this claim the 0.10 significance level. (b) Find the critical value. B 21
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 84 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}. (a) Find the test statistic. Correct Answers (n = 84) A C D Count 13 31 19 Test the claim that correct answers for all multiple-choice questions are not evenly distributed. Test this claim the 0.10 significance level. (b) Find the critical value. B 21
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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