Ask the Question: How can regression analysis be used to understand the cost behavior analysis for AERT?

Master the Data: Advanced Environmental Recycling Technologies $($AERT$)$ sells plastic$/$wood composite decking through its brand name, Choicedek. AERT sells its product through Lowe$$s and sells most of its products in the spring and summer, when consumers install or remodel their decks.

The dataset provides some weekly sample data for its costs in Lab $8-3$ Data.xlsx$.$