Supply Chain Planning Coursera Answers Apr 2026

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Below is a verified answer key for the most common quizzes and exams. Module 1: Demand Forecasting (Week 1) Quiz: Forecasting Fundamentals Q1: What is the primary goal of demand forecasting in supply chain management? Answer: To reduce uncertainty and improve decision-making regarding inventory, production, and capacity. Q2: Which forecasting method uses historical data exclusively to predict future demand? Answer: Time series analysis. Q3: A forecast that consistently has actual sales higher than the forecast is described as: Answer: Biased low (negative error). Q4: Calculate the 3-period Simple Moving Average for Period 5 given: Period 1: 100, Period 2: 110, Period 3: 120, Period 4: 130. Answer: (120 + 130 + ?) Wait—Period 5 uses Periods 2,3,4. (110+120+130)/3 = 120 Q5: In Exponential Smoothing , if Alpha (α) = 0.8, does the forecast react quickly or slowly to recent changes? Answer: Quickly (High alpha = more weight on recent demand). Module 2: Sales & Operations Planning (S&OP) Quiz: Balancing Supply & Demand Q1: The S&OP process typically operates on what time horizon? Answer: Monthly, rolling 12-24 months. Q2: Which S&OP strategy keeps a stable workforce but builds inventory during low demand to meet high demand later? Answer: Level production plan (Chase vs. Level). Q3: You have a Chase Strategy . Demand is 500 units in January and 800 in February. Beginning inventory = 0. Production capacity per month = 300 units. How much subcontracting is needed in February? Answer: February demand (800) – February production (300) = 500 units subcontracted. (January inventory is zero because Chase strategy matches production to demand exactly each month). Q4: What is the correct order of the S&OP maturity model? Answer: 1. Reacting, 2. Anticipating, 3. Collaborating, 4. Orchestrating. Q5: Who is the primary owner of the S&OP process in most mature organizations? Answer: Cross-functional leadership (often led by Supply Chain or a dedicated S&OP manager). Module 3: Inventory Management Quiz: EOQ & Safety Stock Q1: The Economic Order Quantity (EOQ) balances which two costs? Answer: Ordering cost and Holding (carrying) cost. Q2: Given: Annual Demand (D) = 10,000 units, Order Cost (S) = $50, Holding Cost (H) = $5 per unit/year. Calculate EOQ. Answer: √((2 * 10,000 * 50) / 5) = √(1,000,000 / 5) = √200,000 = 447.2 units . Q3: If you increase the Reorder Point (ROP) , what happens to Safety Stock? Answer: Safety stock increases. Q4: A company wants a 99% service level (Z=2.33). Demand standard deviation during lead time is 20 units. Calculate Safety Stock. Answer: Z * σLT = 2.33 * 20 = 46.6 units . Q5: What is the "bullwhip effect"? Answer: Small fluctuations in consumer demand cause increasingly larger fluctuations in orders upstream (to suppliers). Module 4: Distribution & DRP Quiz: Network Planning Q1: Distribution Requirements Planning (DRP) is most similar to which manufacturing system? Answer: Material Requirements Planning (MRP). Q2: A Cross-Dock facility is designed to: Answer: Receive product from inbound trucks and immediately load it onto outbound trucks with minimal storage. Q3: In a Push vs. Pull system: A retailer orders based on current shelf inventory (reorder point). Is this Push or Pull? Answer: Pull (Demand-driven). Q4: Calculate Gross Requirements for a Distribution Center (DC): The DC serves 3 stores. Store A needs 50, Store B 30, Store C 20. No safety stock at the DC. Answer: 50 + 30 + 20 = 100 units . Q5: The "Center of Gravity" method is used for: Answer: Determining the optimal geographic location for a single warehouse or plant. Week 6: Final Exam (Key Concepts) These are the most frequent high-stakes questions. You are juggling Note: While this article provides

If you are enrolled in the specialization—typically offered by Rutgers University (Prof. Rudolf Leuschner) or University of Illinois at Urbana-Champaign (Gies College of Business)—you know the content is dense. Module 1: Demand Forecasting (Week 1) Quiz: Forecasting