MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Concept explainers

2-Proportion Test
In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.
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Staff at an elementary school are worried that the students are not getting enough physical activity outside of school. They decide to ask a group of 1460 students if they participate in physical activities outside of school. 577 students said that they are not physically active outside of school.

What is the point estimate for the true proportion?

What is Maximal Margin of Error (E) at 95% confidence?

Construct a 95% confidence interval for the true proportion of interest.

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