To select the correct Student's t-distribution requires knowing the degrees of freedom. How many degrees of freedom are there for a sample of size n? n $$ \frac{\bar{x} - \mu}{s/\sqrt{n}} $$ n - 1 n + 1
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To select the correct t-distribution, tα/2 , requires knowing the degrees of freedom. How many degrees of freedom are there for a sample of size n? Group of answer choices A. n + 1 B. fraction numerator space x with bar on top space minus space mu over denominator open parentheses begin display style fraction numerator s over denominator square root of n end fraction end style close parentheses end fraction C. n - 1 D. n
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