6 a Given the forecast demand and actual demand for 10-foot fishing boats, compute the tracking signal and MAD Year Forecast Actual Demand Demand 8 2 O a. MAD: 7.0 6.0, 10.0 , 8.5, 11.3, 11.7 & Tracking Signal -1.5,-0.3,+1.6,+2.1,-1.0,-2.1 O b. MAD: 7:0 ,6.0, 11.0 , 7.5, 11.6, 11.7 & Tracking Signal : -2.0,-0.3,+1.6,+2.1,-1.0,-2 O c. MAD: 7.0 ,6.0, 10.0 ,7.5, 11.6, 11.7 & Tracking Signal : -1.0,-0.3,+1.6,+2.1,-1.0,-2.1 Next page