PC World reports the following text and graphics speeds (pages per minute, or ppm) for its top-rated

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PC World reports the following text and graphics speeds (pages per minute, or ppm) for its top-rated inkjet printers.

x = ppm, Plain Text x = ppm, Plain Text y = ppm, Graphics y = ppm, Graphics 4.7 0.7 4.8 0.6 1.1 7.3 1.3 4.1 0.9 5.9 4.8


a. Draw a scatter diagram representing these data. 

b. Using the €œeyeball€ method, fit a straight line to the data.
c. Does there appear to be any relationship between the variables? If so, is the relationship direct or inverse?

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