### Statistics - Confidence Interval for Random Sample

A random sample of 10 shipments of stick-on labels showed the following order sizes. (a) Construct a 95% confidence interval for the true mean order size. (b) How could the confidence interval be made narrower? (c) Do you think the population is normal? Order Size 12,000 18,000 30,000 60,000 14,000 10,500 52,000