Given the following$$ data, use$$ least$-$squares regression to derive a trend$$ equation:

$$

Period

$1$

$2$

$3$

$4$

$5$

$6$

Demand

Part $2$

The$$ least$-$squares regression equation that shows the best relationship between demand and period is $($round your responses to two decimal$$ places$)$:

$$

enter your response here

$$

enter your response herex$,$

where Demand and xPeriod.