Question

calculate the straight line trend values by the method of least squares from the following data year:1997 1998 1999 2000 2001 2002 productivity 24 25 29 26 22 24​

Answer 1

To calculate the change over a longer period of time—for example, to develop a sales trend—follow the steps below:

1. Select the base year

2. For each line item, divide the amount in each nonbase year by the amount in the base year and multiply by 100.