Passenger miles flown on Northeast Airlines, a commuter firm serving the Boston hub, are shown for the past 12 weeks: Week 4 Actual Passenger Miles (in thousands) 10 11 12 15 20 16 21 17 16 18 17 22 18 12 19 a) Assuming an initial forecast for week 1 of 15,000 miles, use exponential smoothing to compute miles for weeks 2 through 12. Use a= 0.22 (round your responses to two decimal places). Week 4 7 10 11 12 Forecasted Passenger 15.00 15.00 16.10 16.08 17.16 17.12 16.87 17.12 17.09 18.17 Miles (in thousands) b) The MAD for this model = thousand (round your response two decimal places). c) Compute the Cumulative Forecast Errors, cumulative MAD in thousands, and tracking signals (round your responses to two decimal places). Incorrect: 0 Cumulative Forecast Tracking Signal Cumulative Forecast Errors Tracking Signal Week Errors MAD Week MAD 0.00 7 9.67 1.78 5.45 0.00 2.00 9.55 1.57 6.09 5.00 2.50 14.46 1.94 7.45 3 4.90 1.70 2.88 3.92 10 14.29 1.76 8.11 9.82 2.51 4.74 11 9.66 2.04 Click to select your answer(s) and then click Check Answer. Clear All 11:39 PM All parts showing D 40 2/1/2020 search

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Forming and Shaping

Metal forming is a category of metalworking process through which the material can be given the desired shape and size by subjecting it to plastic deformation, where the component undergoes bulk deformation process upon application of loads. Unlike the shearing and machining process, the material does not undergo up to a failure point as indicated in the stress-strain curve. Hence, the stresses induced during the forming process are greater than yield strength but less than the failure strength of the material. The process does not lead to the loss of material, so it can be said to be an economical process. During forming, the material is subjected to tensile forces, compressive forces, bending, and shearing loading conditions. The material should possess the property of ductility to undergo the forming process.