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When Constructing a Confidence Interval for a Population Mean, If

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When constructing a confidence interval for a population mean, if a population is normally distributed and a small sample is taken, then the distribution of When constructing a confidence interval for a population mean, if a population is normally distributed and a small sample is taken, then the distribution of   is based on ________. A)  the z distribution B)  the t distribution C)  neither the z nor the t distribution D)  both the z and the t distribution is based on ________.


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