1 1 Demand Forecasting and Collaborative Planning, Forecasting, and Replenishment Chapter 4 (Part 1) 2 Chapter 4 Learning Objectives •Explain the role of demand forecasting in a supply chain. •Identify the components of a forecast. •Compare and contrast qualitative and quantitative forecasting techniques. •Assess the accuracy of forecasts. •Explain collaborative planning, forecasting, and replenishment. 3 Classification of Forecasting MethodsForecast Qualitative Quantitative Judgmental Market Research Time Series Causal 4 Qualitative Methods•Involve greater subjectivity •Used when historical data are lacking Judgmental methods –based on experience and informed opinion jury of executive opinion sales force estimation Delphi Market research methods –based on systematic data collection and statistical analysis focus groups consumer surveys
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