REFERENCE: Refer to Exercises 11.30 and 11.37. a. Predict the direct cost for a...

REFERENCE:

Refer to Exercises 11.30 and 11.37.

a. Predict the direct cost for a particular bumper sticker order with a print run of 2,000 stickers. Obtain a 95% prediction interval.

b. Would an actual direct cost of $250 be surprising for this order?

11.37 : Another part of the output of Exercise 11.30 is shown here.

a. Predict the mean total direct cost for all bumper sticker orders with a print run of 2,000 stickers (that is, with Runsize = 2.0).

b. Locate a 95% confidence interval for this mean.

11.30