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A random sample of 10 shipments of stick-on labels showed the following order sizes. (a) Construct a 95 percent 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? (Data are from a project by MBA student Henry Olthof, Jr.) OrderSize 12,000 18,000 30,000 60,000 14,000 10,500 52,000 14,000 15,700 19,000

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