Panel of judges was asked to judge the quality of different kinds of potato chips. The scatterplot and regression line below sho
w the relationship between their ratings and the price of the chips. The fitted line has a slope of 555.
What is the best interpretation of this slope?
Choose 1 answer:
Choose 1 answer:
(Choice A)
A
We would predict a bag of chips that cost \$0$0dollar sign, 0 to have a rating of 555.
(Choice B)
B
We would predict a bag of chips that cost \$0$0dollar sign, 0 to have a rating of -5−5minus, 5.
(Choice C)
C
On average, each \$5$5dollar sign, 5 increase in cost was associated with a 111 point increase in rating.
(Choice D)
D
On average, each \$1$1dollar sign, 1 increase in cost was associated with a 555 point increase in rating.
Let the amount B pays be £x So, A pays £125 B pays £x They pay in the ration 3:2 Therefore, 125/x = 3/2 Cross multiplying we get, 125 x 2 = 3x 3x = 250 x = £63.33
