5.17 Paired or not, Part I?: In each of the following scenarios, determine if th

Question

5.17 Paired or not, Part I?: 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. O not paired Opaired (b) Assess gender-related salary gap by comparing salaries of randomly sampled men and women. 0 not paired O paired (c) Compare artery thicknesses at the beginning of a study and after 2 years of taking Vitamin E for the same group of patients. Opaired O not paired (d) Assess effectiveness of a diet regimen by comparing the before and after weights of subjects. not paired O paired

Explanation / Answer

a. Paired

b. not paired

c. paired

d. paired

  

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