Question 1 Sales of a product over the last 5 weeks are shown in the table Use t

Question

Question 1 Sales of a product over the last 5 weeks are shown in the table Use this for all of the questions on this quiz. Week Sales 16 18 Forecast sales for week 6 using a nalve model. Question 2 Forecast sales for week 6 using a 2-week moving average model Question 3 for week 6 using a 2-week weighted moving average with weights of 3 for the most recent week and 1 for the other week Question 4 Forecast sales for week 6 using exponential smoothing with alpha 02 Assume the forecast for week 1 is perfect. Question 5 In the past, sales in each week had been forecast to be 20 Calculate the mean absolute deviation for this Fiday. February 16, 2018 11 44 20 AM CST

Explanation / Answer

Question 1

by naive model forecast for week 6 = demand for week 5 = 19

Question 2

by 2 - week average model

Forecast for week 6 = (20 + 19)/2 = 19.5

Qustion 3

Forecast for week 6 = [3 * forecast for week 5 + 1 * forecast for week]/4 = (3 * 19 + 20)/4 = 19.25

Question 4

Here forecast for week 1 = 16

Ft + 1 = 0.2 yt + 0.8 Ft

Question 5

Here forecast for each week = 20

Mean absolute deviation = 1.8

week sales Forecast 1 16 16 2 22 16 3 18 17.2 4 20 17.36 5 19 17.888 6 18.1104

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