Product sales since 1999 are: The least squares trend equation is given as:
Ŷ = 265.12 - 21.18t, where t is set equal to 1 for 1999.
On average, how much did sales change per year from 1999 to 2007?

Question

Product sales since 1999 are:  The least squares trend equation is given as:
Ŷ = 265.12 - 21.18t, where t is set equal to 1 for 1999.
On average, how much did sales change per year from 1999 to 2007?

Quizplus · Accepted Answer

The Answer of Product sales since 1999 are:  The least squares trend equation is given as:
Ŷ = 265.12 - 21.18t, where t is set equal to 1 for 1999.
On average, how much did sales change per year from 1999 to 2007?

Product Sales Since 1999 Are: the Least Squares Trend