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