TABLE OF CONTENTS
The amount of time spent studying and your grade point average.
as time spent studying increase, GPA increases
Shoe size and the number of pairs of shoes one owns.
as shoe size increases, what happens to pairs of shoes?
Frankie and Lucy are planning on selling a new iPhone app. This is a scatter plot estimation of how many apps they can sell at different prices. A line of best fit is drawn in for you.
What kind of correlation is shown in this graph (positive, negative, or no correlation)?
as price increases, quantity sold decreases
If Frankie and Lucy price the application at $2.50, how many can they expect to sell, and how much money would they get from the sales?
multiply the quantity sold by the price
47,000 × $2.50 = $117,500
If they price the application at $3.00, how many can they expect to sell, and how much money would they get from the sales?
40,000 × $3.00 = $120,000