=+b. The investigators fit a least-squares line. The resulting MINITAB output is given in the following:

The regression equation is firecon = +11.4 + 1.09 treadcon Predictor Coef Stdev t-ratio p Constant –11.37 12.46 –0.91 0.388 treadcon 1.0906 0.3181 3.43 0.009 s = 4.70 R-sq = 59.5% R-sq(adj) = 54.4%

Predict fire-simulation consumption when treadmill consumption is 40.