data fw09p10; title 'CHAPTER 9 PROBLEM 10, sweet potatoes'; input TEMP VAR $ TUBERW ; cards; 15 BUR 0.19 15 BUR 0.00 15 BUR 0.17 15 BUR 0.10 15 BUR 0.21 15 BUR 0.25 20 BUR 0.46 20 BUR 0.42 20 BUR 0.41 20 BUR 0.33 20 BUR 0.27 20 BUR 0.06 25 BUR 0.00 25 BUR 0.14 25 BUR 0.00 25 BUR 0.00 25 BUR 0.00 25 BUR 0.41 30 BUR 0.00 30 BUR 0.00 30 BUR 0.00 30 BUR 0.12 30 BUR 0.00 30 BUR 0.00 15 KEN 0.35 15 KEN 0.36 15 KEN 0.33 15 KEN 0.55 15 KEN 0.38 15 KEN 0.38 20 KEN 0.27 20 KEN 0.39 20 KEN 0.33 20 KEN 0.40 20 KEN 0.44 20 KEN 0.00 25 KEN 0.54 25 KEN 0.28 25 KEN 0.37 25 KEN 0.43 25 KEN 0.19 25 KEN 0.28 30 KEN 0.20 30 KEN 0.00 30 KEN 0.00 30 KEN 0.00 30 KEN 0.17 30 KEN 0.00 15 NOR 0.27 15 NOR 0.33 15 NOR 0.35 15 NOR 0.27 15 NOR 0.40 15 NOR 0.36 20 NOR 0.36 20 NOR 0.40 20 NOR 0.12 20 NOR 0.36 20 NOR 0.26 20 NOR 0.38 25 NOR 0.53 25 NOR 0.51 25 NOR 0.00 25 NOR 0.57 25 NOR 0.28 25 NOR 0.42 30 NOR 0.12 30 NOR 0.00 30 NOR 0.00 30 NOR 0.00 30 NOR 0.15 30 NOR 0.23 15 RLS 0.08 15 RLS 0.29 15 RLS 0.70 15 RLS 0.25 15 RLS 0.19 15 RLS 0.19 20 RLS 0.54 20 RLS 0.23 20 RLS 0.00 20 RLS 0.57 20 RLS 1.25 20 RLS 0.25 25 RLS 0.41 25 RLS 0.39 25 RLS 0.00 25 RLS 0.14 25 RLS 0.16 25 RLS 0.42 30 RLS 0.23 30 RLS 0.00 30 RLS 0.09 30 RLS 0.00 30 RLS 0.09 30 RLS 0.00