Do towns in Massachusetts with higher elevations tend to get more snowfall? To answer this question, a

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Do towns in Massachusetts with higher elevations tend to get more snowfall? To answer this question, a random sample of five towns in Massachusetts, their average yearly snowfall (in inches), and elevation (in feet) were recorded in Table 6.9.

a. Draw a scatterplot and find the equation for the line of best fit.

b. Find the residual for Springfield.

c. Interpret whether or not you believe there is a significant relationship between the average snowfall and elevation in Massachusetts.

d. Find and interpret a $95 \%$ confidence interval for the true population slope parameter.

Table 6.9

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Applied Statistical Inference With MINITAB

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2nd Edition

Authors: Sally A. Lesik

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Do towns in Massachusetts with higher elevations tend to get more snowfall? To answer this question, a

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Random Sample of Five Towns in Massachusetts, Average Snowfall (Inches), and Elevation (Feet) Town Average Snowfall (Inches) Boston 43.8 Amherst 37.0 Springfield 40.5 Pittsfield 62.1 Lowell 61.6 Elevation (Feet) 141 295 70 1,039 102

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Applied Statistical Inference With MINITAB

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