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Where do you live? The U.S. Census Bureau computed the proportion of U.S. residents who lived in each of four geographic regions in Year A. Then a simple random sample was drawn of 1000 people living in the United States in Year B. The following table presents the results: Category Year A Proportion Northeast 0.194 Midwest 0.236 South 0.351 West 0.219 Send data to Excel Year B Frequency 155 232 395 218 Can you conclude that the proportions of people living in the various regions changed between Year A and Year B? Use the a=0.01 level of significance.

Where do you live? The U.S. Census Bureau computed the proportion of U.S. residents who lived in each of four geographic regions in Year A. Then a simple random sample was drawn of 1000 people living in the United States in Year B. The following table presents the results: Category Year A Proportion Northeast 0.194 Midwest 0.236 South 0.351 West 0.219 Send data to Excel Year B Frequency 155 232 395 218 Can you conclude that the proportions of people living in the various regions changed between Year A and Year B? Use the a=0.01 level of significance.

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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Where do you live? The U.S. Census Bureau computed the proportion of U.S. residents who lived in each of four geographic regions in Year A. Then a simple random sample was drawn of 1000 people living in the United States in Year B. The following table presents the results: Category Year A Proportion Northeast 0.194 Midwest South West 0.236 0.351 0.219 Send data to Excel Year B Frequency 155 232 395 218 Can you conclude that the proportions of people living in the various regions changed between Year A and Year B? Use the α=0.01 level of significance.
Transcribed Image Text:Where do you live? The U.S. Census Bureau computed the proportion of U.S. residents who lived in each of four geographic regions in Year A. Then a simple random sample was drawn of 1000 people living in the United States in Year B. The following table presents the results: Category Year A Proportion Northeast 0.194 Midwest South West 0.236 0.351 0.219 Send data to Excel Year B Frequency 155 232 395 218 Can you conclude that the proportions of people living in the various regions changed between Year A and Year B? Use the α=0.01 level of significance.
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