In Determining an Interval Estimate of a Population Mean When $\sqrt { n - 1 }$

question 92

Multiple Choice

In determining an interval estimate of a population mean when ? is unknown, we use a t distribution with _____ degrees of freedom.

• A) \(\sqrt { n - 1 }\)
• B) \(\sqrt { n }\)
• C) n ? 1
• D) n

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