The following is the list of MAD statistics for each of the models you have estimated from time-series data:

Model MAD
Linear Trend 1.38
Quadratic Trend 1.22
Exponential Trend 1.39
AR(2) 2.71

Based on the MAD criterion, the most appropriate model is:

A. linear trend.

B. quadratic trend.

C. exponential trend.

D. AR(2).

Paula makes stained-glass windows and sells them to boutique stores. if her costs total $12,000 per year plus $4 per window for the frame. how many windows must she produce to earn a profit of at least $48,000 in one year if she sells the windows for $28 each? 1. define a variable for the situation. 2. write an inequality that represents her profit. note: revenue is money coming in. cost is money going out. profit is the difference between the revenue and the cost. in other words: revenue - costs profit 3.using words, describe how many windows she must sell to have a profit of at least $48,000.