In each of the following scenarios, determine if the data are paired. (a) Compare pre- (beginning of
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In each of the following scenarios, determine if the data are paired.
(a) Compare pre- (beginning of semester) and post-test (end of semester) scores of students.
(b) Assess gender-related salary gap by comparing salaries of randomly sampled men and women.
(c) Compare artery thicknesses at the beginning of a study and after 2 years of taking Vitamin E for the same group of patients.
(d) Assess effectiveness of a diet regimen by comparing the before and after weights of subjects.
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a The data are paired Each student has two scores one before the semester pretest and ...View the full answer
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Related Book For 
OpenIntro Statistics
ISBN: 9781943450077
4th Edition
Authors: David Diez, Mine Çetinkaya-Rundel, Christopher Barr
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