The following are historical demand data: YEAR SEASON ACTUAL DEMAND 2 years ago Spring 204 Summer 150 Fall 374 Winter 572 last year Spring 474 Summer 274 Fall 675 Winter 964 Use regression analysis and seasonal indexes to forecast this summer's demand. (Do not round intermediate calculations. Round your answer to the nearest whole number.) Forecast for this summer's demand 688
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\[ \begin{array}{|c|c|c|} \hline \text{YEAR} & \text{SEASON} & \text{ACTUAL DEMAND} \\ \hline \text{2 years ago} & \text{Spring} & 204 \\ \text{2 years ago} & \text{Summer} & 150 \\ \text{2 years ago} & \text{Fall} & 374 \\ \text{2 years ago} & \text{Winter} & Show more…
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Problem 18-28 (Algo) The following are historical demand data: YEAR SEASON ACTUAL DEMAND 2011 Spring 205 Summer 142 Fall 371 Winter 580 2012 Spring 470 Summer 281 Fall 692 Winter 958 Use regression analysis on deseasonalized demand to forecast demand in summer 2013. (Round your answer to the nearest whole number.) Forecast for summer 2013
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Forecasting with Seasonality Demand history for the past three years is shown below, along with the seasonal indices for each quarter. Year 1: Q1 (Demand 255, Index 0.75), Q2 (Demand 298, Index 0.862), Q3 (Demand 429, Index 1.323), Q4 (Demand 373, Index 1.086) Year 2: Q1 (Demand 273, Index 0.75), Q2 (Demand 276, Index 0.862), Q3 (Demand 474, Index 1.323), Q4 (Demand 396, Index 1.086) Year 3: Q1 (Demand 245, Index 0.75), Q2 (Demand 292, Index 0.862), Q3 (Demand 460, Index 1.323), Q4 (Demand 350, Index 1.086) Do not round intermediate calculations. Round your answer to the nearest whole number. Use exponential smoothing with alpha (̑̑) = 0.3 and an initial forecast of 343 along with seasonality to calculate the Q1, 2020 forecast:
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(Related to Solved Problem 3.4 on page 93 ) The demand for watermelons is highest during summer and lowest during winter. Yet watermelon prices are normally lower in summer than in winter. Use a demand and supply graph to demonstrate how this is possible. Be sure to carefully label the curves in your graph and to clearly indicate the equilibrium summer price and the equilibrium winter price.
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