A college is considering the option to include plus and minus in the school's letter grading system. An opinion poll was conducted on campus in order to gauge the reaction to this proposed change in the college's grading system. As a result, 58.7% of the 167 students polled and 43.4% of 83 teachers polled were in favor of including plus and minus in the school's letter grading system.  Estimate the difference in the percentage of students and teachers on campus who are in favor of including plus and minus in the school's letter grading system. Express the estimate both symbolically and verbally.

MATLAB: An Introduction with Applications
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A college is considering the option to include plus and minus in the school's letter grading system. An opinion poll was conducted on campus in order to gauge the reaction to this proposed change in the college's grading system. As a result, 58.7% of the 167 students polled and 43.4% of 83 teachers polled were in favor of including plus and minus in the school's letter grading system. 

Estimate the difference in the percentage of students and teachers on campus who are in favor of including plus and minus in the school's letter grading system. Express the estimate both symbolically and verbally. 

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Given Information : 

A college is considering the option to include plus and minus in the school's letter grading system. An opinion poll was conducted on campus in order to gauge the reaction to this proposed change in the college's grading system. As a result, 58.7% of the 167 students polled and 43.4% of 83 teachers polled were in favor of including plus and minus in the school's letter grading system. 

We have been provided with the following information about the sample proportions: 

Sample Proportion 1  = 0.587
Sample Size 1  = 167
Sample Proportion 2  = 0.434
Sample Size 2  = 83

 

 

 

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