Number of stories 120 100 80 60 40 40 20 200 400 600 800 Height (in feet) 1000 1200 1400 Coefficientsa Unstandardized Coefficients Standardized Coefficients Model B Std. Error Beta t Sig. 1 (Constant) -1.976 7.575 -.261 .801 Height (in feet) .076 .009 .944 8.059 Model Summary Model R R Square Adjusted R Square Std. Error of the Estimate 1 .944a .890 .877 10.654 a. Predictors: (Constant), Height (in feet)