Which of the following is an example of independent data (meaning not paired)? A

Question

Which of the following is an example of independent data (meaning not paired)?

A. A study of cholesterol levels of 40 individuals in which 20 individuals on a special diet were compared to 20 individuals randomly selected from a population on no diet.

B. A study of cholesterol levels of 40 individuals in which 20 individuals on a special diet were age and gender matched to 20 individuals on a control diet.

C. A study of 20 individuals that compares cholesterol levels before and after three months on a special diet.

Explanation / Answer

Answer:Option( B )

A study of cholesterol levels of 40 individuals in which 20 individuals on a special diet were age and gender matched to 20 individuals on a control diet.

here cholestrol and age are involved which are not paired properly

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