Mathematics
Mathematics, 25.10.2019 01:43, Nicky156

You obtain a dataset from a random sample. • you double-checked your dataset, and there were no typos, and no errors. • all conditions were met to develop a confidence interval. • you develop a 97% confidence interval for the population mean µ, and your confidence interval is 74.3 < µ < 78.3. • you double-checked your calculations, and everything was done correctly. question: later, you find out that the actual population mean is µ = 71. why doesn’t your confidence interval contain the actual population mean?

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