Question: The accompanying data resulted from an experiment in which weld diameter x and shear strength y (in pounds) were determined for five different spot welds

The accompanying data resulted from an experiment in which weld diameter x and shear strength y (in pounds) were determined for five different spot welds on steel.

a. With x = weld diameter and y = shear strength, construct a scatterplot. Does the pattern in the scatterplot look linear?
b. Find the equation of the least squares regression line.
c. Compute the five residuals and construct a residual plot. Are there any unusual features in the residual plot?

x 200 210.1 220 230.1 240.0 ar y 813.7 785.3 9604 8.0 1076.2

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a Yes the pattern in the scatterplot looks linear b The regression equation is y 941699 85... View full answer

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