Consider the following actual demand and forecast data for

ARX AG a national distributor of commercial blends and

custom formulated fertilizers for traditional and organic

crop nutrition needs. All data is in tons.

Month Forecast

$1$

$2$

$3$

$1900$

$1892$

$1850$

Actual

Demand

$1890$

$1840$

$1838$

$4$

$5$

$6$

$1840$

$1833$

$7$

$8$

$9$

$10$

$1831$

$1806$

$1785$

$1749$

$1831$

$1830$

$1800$

$1780$

$1740$

$1732$