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A pilot study is conducted to examine a 12-week weigh management program

/in /by

Question

A pilot study is conducted to examine a 12-week weigh management program. Twelve overweight participants were

enrolled, and weight was recorded before and after the 12-week program. Investigators plan to use a paired t-test to examine whether the program was effective in reducing weight. Which of the following are the degrees of freedom for this paired t-test?

a.10
b.11
c.12
d.13
 
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