Question 62 pts

Given the following data, compute the exponential smoothing forecasts at the end of periods 27 and 28.

Assume: ESF₂₆ =1000, and alpha=0.1

Group of answer choices

ESF27=1000; ESF28 =900

ESF27=900; ESF28 =1000

ESF27=990; ESF28 =1090

ESF27=990; ESF28 =1001

Flag question: Question 7

Question 72 pts

Using the data provided, calculate the forecast for July using the nave approach.

Group of answer choices

126

135.1

84.65

160

Flag question: Question 8

Question 82 pts

Using the data provided, calculate the forecast for July using a 4-period moving average approach.

Group of answer choices

73.35

84.65

160

136.5

Flag question: Question 9

Question 92 pts

Using the data provided, calculate the forecast for July using exponential smoothing approach with = 0.6 . (choose the best answer)

Group of answer choices

73.35

84.65

135.31

86.65

Flag question: Question 10

Question 102 pts

Compute the MAD, MAPE, and MSE for the nave and the exponential smoothing approach (with = 0.6) methods. Which method has the least forecast error?

Group of answer choices

The naive method

The simple exponential smoothing method