The table shows the size of outdoor decks (x) in square feet, and the estimated dollar cost to construct them (y). x y x2 xy
100 600 10,000 60,000
144 850 20,736 122,400
225 1,300 50,625 292,500
324 1,900 104,976 615,600
400 2,300 160,000 920,000
∑x=1,193 ​∑y=6,950 ∑x2=346,337 ∑xy=2,010,500
Which regression equation correctly models the data? y = 5.83x – 1.04 y = 5.83x + 17 y = 5.71x + 29 y = 5.71x + 27.6