Which of the following is a commonly used measure for measuring forecast error?

Which of the following would be considered a trigger item under Regulation Z?

A) "low monthly payments" B) "FHA financing available" C) "A steal at only $175,000!" D) " Only $10,000 down"

Degan routinely drove the 400-mile round trip to his favorite grocery store to stock up on bread, which cost $1.50 per loaf

Running out would be disastrous — an unplanned trip to this store would mean a custom order that would run $7.75 per loaf. Overstocking wasn't a big issue, he could sell it to his teaching partner for $0.10 per loaf. With a demand that is normally distributed with a mean of 125 and standard deviation of 15, what is Degan's optimal purchase quantity on his next trip to the store? A) 139 B) 173 C) 115 D) 128