# Refer to exercise 35. a. Deseasonalize the time series using the adjusted seasonal indexes computed in part

## Question:

Refer to exercise 35.

**a.** Deseasonalize the time series using the adjusted seasonal indexes computed in part (c) of exercise 35.

**b.** Using Minitab or Excel, compute the linear trend regression equation for the deseasonalized data.

**c.** Compute the deseasonalized quarterly trend forecast for Year 4.

**d.** Use the seasonal indexes to adjust the deseasonalized trend forecasts computed in part (c).

**Data From Exercise 35:**

Consider the following time series data.

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**Related Book For**

## Statistics For Business And Economics

**ISBN:** 9781305446076

12th Edition

**Authors:** David R Anderson , Dennis J Sweeney , Thomas A Williams , Jeffrey D Camm