Given the following data and seasonal index:
(a)Compute the seasonal index using only year 1 data.
(b)Determine the deseasonalized demand values using year 2 data and year 1's seasonal indices.
(c)Determine the trend line on year 2's deseasonalized data.
(d)Forecast the sales for the first 3 months of year 3, adjusting for seasonality.

Question

Given the following data and seasonal index:
  (a)Compute the seasonal index using only year 1 data.
(b)Determine the deseasonalized demand values using year 2 data and year 1's seasonal indices.
(c)Determine the trend line on year 2's deseasonalized data.
(d)Forecast the sales for the first 3 months of year 3, adjusting for seasonality.

Quizplus · Accepted Answer

The Answer of Given the following data and seasonal index:
  (a)Compute the seasonal index using only year 1 data.
(b)Determine the deseasonalized demand values using year 2 data and year 1's seasonal indices.
(c)Determine the trend line on year 2's deseasonalized data.
(d)Forecast the sales for the first 3 months of year 3, adjusting for seasonality.

Given the Following Data and Seasonal Index