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In 1970, 59% of college freshmen thought that capital punishment should be abolished; by 2005, the percentage had dropped to 35%. These percentages are based on two independent simple random samples, each of size 1000. Which test could be used to evaluate whether the difference is real or due to chance? 7² Otest t-test None of the above applies/ Different analysis is needed OTwo-sample z-test 2-test

In 1970, 59% of college freshmen thought that capital punishment should be abolished; by 2005, the percentage had dropped to 35%. These percentages are based on two independent simple random samples, each of size 1000. Which test could be used to evaluate whether the difference is real or due to chance? 7² Otest t-test None of the above applies/ Different analysis is needed OTwo-sample z-test 2-test

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 1970, 59% of college freshmen thought that capital punishment should be abolished; by 2005, the percentage had dropped to 35%. These percentages are based on two independent simple random samples, each of size 1000. Which test could be used to evaluate whether the difference is real or due to chance? x² Otest t-test O None of the above applies/ Different analysis is needed OTwo-sample z-test z-test
Transcribed Image Text:In 1970, 59% of college freshmen thought that capital punishment should be abolished; by 2005, the percentage had dropped to 35%. These percentages are based on two independent simple random samples, each of size 1000. Which test could be used to evaluate whether the difference is real or due to chance? x² Otest t-test O None of the above applies/ Different analysis is needed OTwo-sample z-test z-test
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