Question: In constructing a confidence interval estimate for a population mean, when we replacewith the sample standard deviation (s), we introduce a new source of variability

In constructing a confidence interval estimate for a population mean, when we replacewith the sample standard deviation (s), we introduce a new source of variability and the sampling distribution we use is:

  • A. t -distribution
  • B. F- distribution
  • C. chi-square distribution
  • D. the normal distribution

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