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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3. A researcher goes to a local park to see how many people are wearing face masks. She counts 85 women in the park, of whom 34 are wearing face masks, while 14 out of 60 men are wearing face masks. Can she say that there is a significant difference of the percent of each gender who wears masks? (Use a = .10) Type of Test: Null Hypothesis: Alternate Hypothesis: SE: Test Statistic: P-value: Decision: Sentence:
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Transcribed Image Text:3. A researcher goes to a local park to see how many people are wearing face masks. She counts 85 women in the park, of whom 34 are wearing face masks, while 14 out of 60 men are wearing face masks. Can she say that there is a significant difference of the percent of each gender who wears masks? (Use a = .10) Type of Test: Null Hypothesis: Alternate Hypothesis: SE: Test Statistic: P-value: Decision: Sentence:
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