Refer to the scatter diagram that follows.

b. Find the sample size.

c. What is the smallest value reported for the output variable?

d. What is the largest value reported for the input variable?

e. Does the scatter diagram suggest a positive, negative, or zero linear correlation coefficient?

f. What are the coordinates of point Q?
g. Will the slope for the line of best fit be positive, negative, or zero?
h. Will the intercept for the line of best fit be positive, negative, or zero?

Transcribed Image Text:

EPA mileage (mpg) 30- Horsepower and EPA Mileage Ratings of 2005 American Automobiles 25- 20- 15- 75 100 125 150 175 Horsepower a. Match the descriptions in column 2 with the terms in column 1. population sample (a) the horsepower rating for an automobile (b) all 2005 American-made automobiles input variable (c) the EPA mileage rating for an automobile output variable (d) the 2005 automobiles with ratings shown on the scatter diagram