25 22 21 47 28 25 Dance Company Students The number of students who belong to the dance company at each of several randomly selected small universities is shown below. Round sample statistics and final answers to at least one decimal place. 40 40 32 30 29 28 27 26 Send data to Excel 24.1 < < 31.7 ... Estimate the true population mean size of a university dance company with 80% confidence. Assume the variable is normally distributed.