Physics: A student has recorded the data in the following table, which shows the distance a spring stretches in inches for a given weight in pounds.  Weight,x 80 100 110 150 170 Distance,y 6.2 7.4 8.3 11.1 12.7 a. Find the linear correlation coefficient. b. Find the equation of the least-squares line. c. Use the equation of the least-squares line from part b to predict the distance weight of 195 lb will stretch the spring

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