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In a volunteer group, adults 21 and older volunteer between 1 and 9 hours each week. The program includes people from a community college, a four-year college, and non-students. The leader of the group is interested in seeing if there is a relationship between the type of volunteer and the number of hours volunteered. She collected the following data below. Perform a hypothesis test to help her at 0.01 level of significance. 1-3 hours 4-6 hours 7-9 hours

In a volunteer group, adults 21 and older volunteer between 1 and 9 hours each week. The program includes people from a community college, a four-year college, and non-students. The leader of the group is interested in seeing if there is a relationship between the type of volunteer and the number of hours volunteered. She collected the following data below. Perform a hypothesis test to help her at 0.01 level of significance. 1-3 hours 4-6 hours 7-9 hours

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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In a volunteer group, adults 21 and older volunteer between 1 and 9 hours each week. The program includes people from a community college, a four-year college, and non-students. The leader of the group is interested in seeing if there is a relationship between the type of volunteer and the number of hours volunteered. She collected the following data below. Perform a hypothesis test to help her at 0.01 level of significance. **Table of Observed Frequencies** | | 1-3 hours | 4-6 hours | 7-9 hours | |-------------------|-----------|-----------|-----------| | Community College Student | 97 | 100 | 56 | | Four-Year College Student | 106 | 131 | 62 | | Non-Student | 90 | 150 | 48 | **What are the expected numbers? (round to 3 decimal places)** | | 1-3 hours | 4-6 hours | 7-9 hours | |-------------------|-----------|-----------|-----------| | Community College Student | | | | | Four-Year College Student | | | | | Non-Student | | | | This exercise involves calculating the expected frequencies for each category based on the observed data and using statistical methods to perform a hypothesis test.
Transcribed Image Text:In a volunteer group, adults 21 and older volunteer between 1 and 9 hours each week. The program includes people from a community college, a four-year college, and non-students. The leader of the group is interested in seeing if there is a relationship between the type of volunteer and the number of hours volunteered. She collected the following data below. Perform a hypothesis test to help her at 0.01 level of significance. **Table of Observed Frequencies** | | 1-3 hours | 4-6 hours | 7-9 hours | |-------------------|-----------|-----------|-----------| | Community College Student | 97 | 100 | 56 | | Four-Year College Student | 106 | 131 | 62 | | Non-Student | 90 | 150 | 48 | **What are the expected numbers? (round to 3 decimal places)** | | 1-3 hours | 4-6 hours | 7-9 hours | |-------------------|-----------|-----------|-----------| | Community College Student | | | | | Four-Year College Student | | | | | Non-Student | | | | This exercise involves calculating the expected frequencies for each category based on the observed data and using statistical methods to perform a hypothesis test.
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