Prob3. : A study was conducted to investigate the effect of feed and cutting speed and also their interaction on the power consumption (W) of a drilling operation. The data is given in the following table. Cutting speed Feed (mm/rev) (m/min) 0.05 0.10 0.20 30 17.40 26.35 38.00 17.50 26.30 38.20 40 23.60 35.10 54.60 23.40 35.15 54.85 50 29.30 39.05 58.50 29.25 38.90 58.30 Analyse the data and draw the conclusions. Use a= 0.05. 10