Based on the linear regression, how much would you expect a 0.55 carat diamond to cost? $1,800 $2,100 $2,500 $2,900 Price of Diamond (S) Price of Diamonds $7,000 $6,000 $5,000 $4,000 $3,000 $2,000 $1,000 R=0.87 $0 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 Diamond Weight (Carat)