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 Interactive Checkpoint
 Line of Best Fit:  The line that best represents the trend that the points in a scatter plot follow.

The line of best to describe the price of peanut butter as a function of its quality is

Y = 11.6113 + 0.181676X

where X represents the quality of the peanut butter and Y represents the price in cents.

 

Input your answer and press tab to view a graded response

Graded Response

a)

 

To the nearest cent, what is the predicted price of peanut butter with a quality of 50?

 

a)
b) To the nearest cent, what is the lowest possible predicted price of peanut butter? b)  
c) How much does the quality need to increase, on average, in order to increase the price by one cent? Round your answer to the nearest whole number. c)