The relationship between the diameter of a spot weld, x, and the shear strength of the weld,
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Complete these questions with the aid of a computer.
a. Draw a scatter diagram.
b. Find the equation for the line of best fit.
c. Is the value of b1 significantly greater than zero at the 0.05 level?
d. Find the 95% confidence interval for b1.
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a b Summary of data n 10 x 2239 y 9750 x 506581 xy 2219370 y 9836800 SSx 506581 223910 52689 SSxy 22...View the full answer
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