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A sample of 522 school teachers, who are married, showed that 221 of them hold a second job to supplement their incomes. Another sample of 401 school teachers, who are single, showed that 134 of them hold a second job to supplement their incomes The null hypothesis is that the proportions of married and single school teachers who hold a second job to supplement their incomes are not different. The alternative hypothesis is that the proportions of married and single school teachers who hold a second job to supplement their incomes are different. The significance level is 5%. What is the value of the pooled sample proportion, rounded to four decimal places?

A sample of 522 school teachers, who are married, showed that 221 of them hold a second job to supplement their incomes. Another sample of 401 school teachers, who are single, showed that 134 of them hold a second job to supplement their incomes The null hypothesis is that the proportions of married and single school teachers who hold a second job to supplement their incomes are not different. The alternative hypothesis is that the proportions of married and single school teachers who hold a second job to supplement their incomes are different. The significance level is 5%. What is the value of the pooled sample proportion, rounded to four decimal places?

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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I'm having trouble calculating the pooled sample porportion

A sample of 522 school teachers, who are married, showed that 221 of them hold a second job to supplement their incomes. Another sample of 401 school teachers, who are single, showed that 134 of them hold a second job to supplement their incomes. The null hypothesis is that the proportions of married and single school teachers who hold a second job to supplement their incomes are not different. The alternative hypothesis is that the proportions of married and single school teachers who hold a second job to supplement their incomes are different. The significance level is 5%. What is the value of the pooled sample proportion, rounded to four decimal places?
Transcribed Image Text:A sample of 522 school teachers, who are married, showed that 221 of them hold a second job to supplement their incomes. Another sample of 401 school teachers, who are single, showed that 134 of them hold a second job to supplement their incomes. The null hypothesis is that the proportions of married and single school teachers who hold a second job to supplement their incomes are not different. The alternative hypothesis is that the proportions of married and single school teachers who hold a second job to supplement their incomes are different. The significance level is 5%. What is the value of the pooled sample proportion, rounded to four decimal places?
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