a scatter plot is made to model the number of boxes of cereal in jason's store on different days. the data used for the scatter plot are shown in the table below. assume that new boxes are not bought to replace the boxes sold:

days

5

3

8

6

0

4

number of cereal boxes sold

50

70

20

40

100

60

what does the slope of the model represent?

the price of each box of cereal

the original number of cereal boxes sold

the number of cereal boxes sold on the first day

the number of cereal boxes sold per day