Solved: The following data were collected to determine the

Chapter 11, Problem 11.4

(choose chapter or problem)

The following data were collected to determine the relationship between pressure and the corresponding scale reading for the purpose of calibration. Pressure, x (lb/sq in.) Scale Reading, y 10 13 10 18 10 16 10 15 10 20 50 86 50 90 50 88 50 88 50 92 (a) Find the equation of the regression line. (b) The purpose of calibration in this application is to estimate pressure from an observed scale reading. Estimate the pressure for a scale reading of 54 using x = (54b0)/b1.

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