Homework Help: Statistics

Posted by Jacob on Thursday, June 17, 2010 at 5:26pm.

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

Statistics - PsyDAG, Thursday, June 17, 2010 at 6:17pm
df = n-1
Statistics - word, Wednesday, December 15, 2010 at 12:37pm
df=n-k-1
n=number of observations
k=number of variables in the equation

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