The Essentials of Statistics: A Tool for Social Research
The Essentials of Statistics: A Tool for Social Research
4th Edition
ISBN: 9781305802698
Author: Joseph F. Healey
Publisher: Cengage Learning US
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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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Chapter 6, Problem 6.8P
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A random sample of 100 inmates at a maximum security prison shows that exactly 10 of the respondents had been the victims of violent crime during their incarceration. Estimate the proportion of victims for the population as a whole, using the 90% confidence level. ( HINT. Calculate the sample proportion P s before using Formula 6.3. Remember that a proportion is equal to frequency divided by N .)
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Chapter 6 Solutions

The Essentials of Statistics: A Tool for Social Research

Ch. 6 - For each set of sample outcomes below, use Formula...Ch. 6 - For each of the following sets of sample outcomes,...Ch. 6 - For each of the following confidence levels,...Ch. 6 - You have developed a series of questions to...Ch. 6 - SOC A researcher has gathered information from a...Ch. 6 - SOC A random sample of 100 cable TV movies...Ch. 6 - SOC A random sample of 429 college students was...Ch. 6 - PA A random sample of 100 inmates at a maximum...Ch. 6 - SOC The survey mentioned in problem 6.5 found that...Ch. 6 - PA A random sample of 260 workers in a high-rise...
Ch. 6 - A random sample of 1496 respondents of a major...Ch. 6 - A random sample of 100 patients treated in a...Ch. 6 - For the following sample data, construct five...Ch. 6 - For each of the following three sample sizes,...Ch. 6 - Two individuals are running for mayor of your...Ch. 6 - SOC The World Values Survey is administered...Ch. 6 - SOC The fraternities and sororities at St. Algebra...Ch. 6 - You are the automotive specialist for the monthly...

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