Candlelight Books kept a record of how its sales increased based on discounts it offered. The scatterplot shows the results. Based on the line of best fit, which of the followin…

Question

asked Jan 6, 2020 109k views

2 Answers

Sissy · Answer 1 · 2020-01-13T02:38:03+0000

Answer:

D

Explanation:

We need to understand the meaning of slope. The slope means the rate of change of y with every unit change of x.

In our case, it will be rate of change of sales increase (%) with respect to unit change of discount(%).

The formula for slope is the change in y divided by change in x.

From the 2 points given, we can say that slope is:

(62-32)/(20-10)=(30)/(10)=(3)/(1)

This means "as discount increases 1%, sales increase by 3%". Option D is right.