A random sample of 10 shipments of stick-on labels showed the following order sizes. 12, 900 18,900 30, 900 60,900 14,900 10,500 52,000 14,900 15,700 19,900 Click here for the Excel Data File (a) Construct a 95% confidence interval for the true mean order size. (Round your standard deviation answer to 1 decimal place and t-value to 3 decimal places. Round your answers to the nearest whole number.) The 95% confidence interval to