# Question

Refer to Exercise 11.27.

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. Compute a 95% confidence interval for this mean.

In exercise

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. Compute a 95% confidence interval for this mean.

In exercise

## Answer to relevant Questions

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