The following table shows how many weeks a sample of 6 persons have worked at an automobile inspection station and on any given day: a) Find the least squares estimators and the values for a and b ??? = ___________ ? = ___________ ??? = ___________ ? = ___________ ??? = ___________ b) Determine AND WRITE the equation for the best fit line. c) Find the correlation coefficient, r, and describe the relationship between weeks in the program and time improvement.

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