Ford Motor Company reports the average labor cost per hour (earnings plus benefits) for 1993€“2002. Fit a quadratic trend equation to the data, fit a linear trend equation to the data, and then use the MSE criterion to determine which equation is the better fit.

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Yer Labor Cost YLabor Cost 1993 $39.06/hour 1998 1994 1995 1996 41.77 1997 43.55 40.94 40.45 45.72 47.37 48.44 1999 2000 41.73 2001 2002 52.65