The following scatter plot represents a company's sales on a certain product based on its price. 160
140
100
Items Sold in thousands)
80
60
40 () = -4.8x + 121.02
20
0
2 4 6 8 10 12 14 16
Price per Item in dollars)
2018 Strong Mind Created using GeoGebra
What does
-4.8 represent in this linear model?
It means that the sales will decrease by 121.02 when the price is raised by $4.80.
It means that there are about 4.8 thousand less sales for every dollar that the price is increased,
It means that there are about 4.8 less sales for every dollar that the price is increased
It means that the sales will increase by 121.02 thousand when the price is lowered by $4.80.