The following chart shows second quarter total retail e-commerce
sales in a certain country in 2000, 2005, and 2010
(t = 0
represents 2000). (Round your decimals to one decimal
place.)
Year t
0
5
10
Sales ($ billion) y
8
22
42
Find the regression line.
y(t) =
Use the regression line to estimate second quarter retail
e-commerce sales in 2007.
$ billion