One of the authors wanted to determine the effect of changing answers on multiple-choice tests. She studied the tests given by another professor, who had told his students before their exams that if they had doubts about an answer they had written, they would be better off not changing their initial answer. The author went through the exams to look for erasures, which indicate that the first choice was changed. In these tests, there is only one correct answer for each question. Use the bar chart to answer the question below. W Click the icon to view the results of the author's study. Do the data support the view that students should not change their initial choice of an answer? Study Results O Yes O No "Don't Change" 60- 50- 40- 30-
One of the authors wanted to determine the effect of changing answers on multiple-choice tests. She studied the tests given by another professor, who had told his students before their exams that if they had doubts about an answer they had written, they would be better off not changing their initial answer. The author went through the exams to look for erasures, which indicate that the first choice was changed. In these tests, there is only one correct answer for each question. Use the bar chart to answer the question below. W Click the icon to view the results of the author's study. Do the data support the view that students should not change their initial choice of an answer? Study Results O Yes O No "Don't Change" 60- 50- 40- 30-
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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