Question

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.

Answer 1

The question is incomplete. The complete question could be found here: https://www.chegg.com/homework-help/231-changing-multiple-choice-answers-told-example-1-one-auth-chapter-2-problem-31e-solution-9780321756404-exc

Answer:

In the bar chart provided, the 'Wrong to Right' bar has the highest height compared with the others. This indicates that a large number of students changed their answers (i.e. from the wrong answer to the right answer). Therefore, it can be inferred that the data justifies that it is advisable to change the answer from initial to revised one.

Explanation:

In the bar chart provided, the 'Wrong to Right' bar has the highest height compared with the others. This indicates that a large number of students changed their answers (i.e. from the wrong answer to the right answer). Therefore, it can be inferred that the data justifies that it is advisable to change the answer from initial to revised one.

Answer 2

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