In a one-sample t-test for a study involving 200 study participants, df would equal:

Question

Quizplus · Accepted Answer

Degrees of freedom (df) in a one-sample t-test is calculated by subtracting 1 from the sample size, which in this case is 200-1 = 199. Choice A is incorrect as .05 is a significance level used for hypothesis testing, not degrees of freedom. Choice B is incorrect as 1 is not the correct calculation for degrees of freedom. Choice D is incorrect as "200 % t" is not a meaningful calculation or formula for degrees of freedom.

In a One-Sample T-Test for a Study Involving 200 Study