Chapter 6, Problem 10T

(a)

To determine

To calculate: The regression line for the data set represented by the table,

Year, x	1	2	3
Sales, y(in millions)	$10$	$15$	$19$

(b)

To determine

The average sales in the fourth year.

(c)

To determine

To calculate: The exponential curve, $y=a{e}^x$.

Year, x	1	2	3
Sales, y (in millions)	$10$	$15$	$19$

(d)

To determine

The average sales in the fourth year by exponential regression.