Chapter 1.3, Problem 25E

(a)

To determine

The equation for the least square line for the provided data.

(b)

To determine

The BTUs required to cool a room of $150{\text{ft}}^{\text{2}},280{\text{ft}}^{\text{2}},420{\text{ft}}^{\text{2}}$.

(c)

To determine

The BTUs required if Adam’s room measures ${\text{230ft}}^2$.

(d)

To determine

Why the table gives ${\text{ft}}^{\text{2}}$ instead of ${\text{ft}}^3$.