How can u solve the following question by using the method: Computing trend and seasonal factor...

How can u solve the following question by using the method: Computing trend and seasonal factor from linear regression line (without excel)

Question:

The following table shows the past two years of quarterly sales information. Assume that there are both trend and seasonal factors and that the seasonal cycle is one year.

sales per quarter: 215, 240, 205, 190, 160, 195, 150, 140

Expert Solution

orchestra answered 1 year ago

A technique used to isolate the trend in a time series is: adjusted factor% seasonal index...

A technique used to isolate the trend in a time series is: adjusted factor% seasonal index correction factor centered moving average seasonal decomposition

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