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Description: A researcher conducted a survey to determine if older people have different feelings avout abortion than younger people. He used an alpha level of 0.05 (Z critical = (1.96) to test significance and found that his computed test statistic was 2.76. He

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 researcher conducted a survey to determine if older people have different feelings avout abortion than younger people. He used an alpha level of 0.05 (Z critical = (1.96) to test significance and found that his computed test statistic was 2.76. He may conclude that

a. the difference occured by random chance

b. the difference did not occur by random chance

c. the samples are not independent

d. the samples are dependent

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