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3. The number of students who belong to the dance company at each several randomly selected...


3. The number of students who belong to the dance company at each several randomly selected small universities is shown below. Round the sample statistics and final answers to one decimal place .
27 40 47 21 32 32 35 29 35 26 35 30 21 21 25 25
Estimate the true population mean size of a university dance company with 95% confidence. Assume the variable is normally distributed.
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