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A study done by the Center for Academic Integrity at Rutgers University surveyed 2116 students at 21 colleges and universities. Some of the schools had an "honor code"and others did not. Of the students at schools with an honor code, 7% reported having plagiarized a paper via the Internet, while at schools with no honor code, 13% did so. (Sacramento Bee, Feb 29, 2000, D1.)
-Which of the following statements about percent increase in risk is correct for this study?
A) There is a 185.7% increase in the risk of plagiarism at a school with no honor code, compared to a school with an honor code.
B) There is an 85.7% increase in the risk of plagiarism at a school with no honor code, compared to a school with an honor code.
C) There is a 53.8% increase in the risk of plagiarism at a school with no honor code, compared to a school with an honor code.
D) There is a 6% increase in the risk of plagiarism at a school with no honor code, compared to a school with an honor code.

Question

Use the following information for questions:
 A study done by the Center for Academic Integrity at Rutgers University surveyed 2116 students at 21 colleges and universities. Some of the schools had an "honor code"and others did not. Of the students at schools with an honor code, 7% reported having plagiarized a paper via the Internet, while at schools with no honor code, 13% did so. (Sacramento Bee, Feb 29, 2000, D1.)
-Which of the following statements about percent increase in risk is correct for this study?
A) There is a 185.7% increase in the risk of plagiarism at a school with no honor code, compared to a school with an honor code.
B) There is an 85.7% increase in the risk of plagiarism at a school with no honor code, compared to a school with an honor code.
C) There is a 53.8% increase in the risk of plagiarism at a school with no honor code, compared to a school with an honor code.
D) There is a 6% increase in the risk of plagiarism at a school with no honor code, compared to a school with an honor code.

Quizplus · Accepted Answer

The percent increase in risk is calculated by taking the difference in plagiarism rates between schools without an honor code and those with an honor code (13% - 7% = 6%), then dividing by the rate at schools with an honor code (6% / 7%) and multiplying by 100 to get a percentage, which equals 85.7%.

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