Statistics

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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 -

    df = n-1

  • Statistics -

    df=n-k-1
    n=number of observations
    k=number of variables in the equation

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