Asked by Jacob

Suppose I am using the t-distribution to estimate or test the mean of a sample from a single population. If the sample size is 25, then the degrees of freedom are ____? I have an answer of 26 is this correct
Answered by PsyDAG
df = n-1
Answered by word
df=n-k-1
n=number of observations
k=number of variables in the equation
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