An internet retailer sells thousands oft shirts of different brands. The cost of the shirts and their typical customer star rating (out of 5 possible stars) have a small but positive correlation. The data are summarized below

Cost: AVG = $15.50, SD = $5.25

Star rating: AVG = 3.2 stars, SD = 0.5 stars

r = 0.2

Using regression, we can say that the average star rating of shirts that cost $20 is closest to...