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A survey is conducted to determine if there is a difference in the proportion of students, parents, and Because the P-value of this test is large, there is not convincing evidence that the distribution of responses for the population of all students, parents, and teachers of this large high school differs. For which categories are the observed counts greater than teachers who volunteer at least once a month. To investigate, a random sample of 45 students, 25 parents, and 12 teachers was selected from a large high school. The data are displayed in the tables. expected?

A survey is conducted to determine if there is a difference in the proportion of students, parents, and Because the P-value of this test is large, there is not convincing evidence that the distribution of responses for the population of all students, parents, and teachers of this large high school differs. For which categories are the observed counts greater than teachers who volunteer at least once a month. To investigate, a random sample of 45 students, 25 parents, and 12 teachers was selected from a large high school. The data are displayed in the tables. expected?

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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A survey is conducted to determine if there is a Because the P-value of this test is large, there is not convincing evidence that the distribution of responses for the population of all students, parents, and teachers of this large high school differs. For which categories are the observed counts greater than expected? difference in the proportion of students, parents, and teachers who volunteer at least once a month. To investigate, a random sample of 45 students, 25 parents, and 12 teachers was selected from a large high school. The data are displayed in the tables. Observed counts: O There were more students than expected who do Student Parent Teacher Yes No not volunteer, and more parents and teachers than expected who do volunteer. 24 12 6 Volunteer? 21 13 6 There were more students than expected who do volunteer, and more parents and teachers than expected who do not volunteer. Expected counts: There were more teachers than expected who do Student Parent Teacher not volunteer, and more students and parents than expected who do volunteer. Yes 23.05 12.80 6.15 Volunteer? No 21.95 12.20 5.85 There were more teachers than expected who do The researcher would like to test these hypotheses: volunteer, and more students and parents than
Transcribed Image Text:A survey is conducted to determine if there is a Because the P-value of this test is large, there is not convincing evidence that the distribution of responses for the population of all students, parents, and teachers of this large high school differs. For which categories are the observed counts greater than expected? difference in the proportion of students, parents, and teachers who volunteer at least once a month. To investigate, a random sample of 45 students, 25 parents, and 12 teachers was selected from a large high school. The data are displayed in the tables. Observed counts: O There were more students than expected who do Student Parent Teacher Yes No not volunteer, and more parents and teachers than expected who do volunteer. 24 12 6 Volunteer? 21 13 6 There were more students than expected who do volunteer, and more parents and teachers than expected who do not volunteer. Expected counts: There were more teachers than expected who do Student Parent Teacher not volunteer, and more students and parents than expected who do volunteer. Yes 23.05 12.80 6.15 Volunteer? No 21.95 12.20 5.85 There were more teachers than expected who do The researcher would like to test these hypotheses: volunteer, and more students and parents than
high school. The data are displayed in the tables. expected? Observed counts: Student Parent Teacher 12 There were more students than expected who do not volunteer, and more parents and teachers than expected who do volunteer. Yes 24 6 Volunteer? No 21 13 6 There were more students than expected who do volunteer, and more parents and teachers than expected who do not volunteer. Expected counts: O There were more teachers than expected who do Student Parent Teacher not volunteer, and more students and parents than expected who do volunteer. 12.80 Yes No 23.05 6.15 Volunteer? 21.95 12.20 5.85 There were more teachers than expected who do volunteer, and more students and parents than expected who do not volunteer. The researcher would like to test these hypotheses: Ho: There is no difference in the distribution of responses among these three populations. Hạ: There is a difference in the distribution of responses among these three populations.
Transcribed Image Text:high school. The data are displayed in the tables. expected? Observed counts: Student Parent Teacher 12 There were more students than expected who do not volunteer, and more parents and teachers than expected who do volunteer. Yes 24 6 Volunteer? No 21 13 6 There were more students than expected who do volunteer, and more parents and teachers than expected who do not volunteer. Expected counts: O There were more teachers than expected who do Student Parent Teacher not volunteer, and more students and parents than expected who do volunteer. 12.80 Yes No 23.05 6.15 Volunteer? 21.95 12.20 5.85 There were more teachers than expected who do volunteer, and more students and parents than expected who do not volunteer. The researcher would like to test these hypotheses: Ho: There is no difference in the distribution of responses among these three populations. Hạ: There is a difference in the distribution of responses among these three populations.
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