Question

Suppose the linear regression line y= 2.009x - 37.131 predicts a pizza parlor's profits based on the number of pizzas sold. If x represents the number of pizzas sold, and y represents the pizza parlor's profits in dollars, about how much can the pizza parlor expect in profits if it sells 275 pizzas.

A) $550

B) $515

C) $480

D) $585

Answer 1

the apex answer is B)$515

Explanation:

Answer 2

The profit that can be expected by the pizza parlor is calculated by substituting 275 to the x of the given equation. That is,
y = 2.009x - 37.131
y = 2.009(275) - 37.131
y = 515.344
Thus, the answer to this item is letter B.