Forecasting using multiple regression - Supply Chain

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timer Asked: Mar 16th, 2019

Question Description

Please help me to fill out the forecast table in part 7a of my homework given the information above. If possible, I would also appreciate help on 7b. Thank you in advance.

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7. (7) You have four years of monthly demand data (48 data points) and you run a multiple regression model using Excel, where January is the excluded month. You get the following output (assume that all coefficients are statistically significant): Coefficients 173 14 -20 57 114 206 Intercept Trend February March April May June July August September October November December 238 229 178 46 -31 -131 -118 a. Fill in the table below with your forecast for year 5. Year 5 Month January February March April May June July August September October November December b. If the multiple regression model were run with August as the excluded month, what would be the coefficient for January? 2 7. (7) You have four years of monthly demand data (48 data points) and you run a multiple regression model using Excel, where January is the excluded month. You get the following output (assume that all coefficients are statistically significant): Coefficients 173 14 Intercept Trend February March April -20 57 May 114 206 238 229 178 June July August September October November December 46 -31 - 131 - 118 a. Fill in the table below with your forecast for year 5. Year 5 Month January February March April May June July August September October November December b. If the multiple regression model were run with August as the excluded month, what would be the coefficient for January? 2
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