Ignoring standard deviation
    A =  1.016625      Uncertainty:  0.098343
    B = -2.011461      Uncertainty:  0.016907
    Chi-squared:      23.341137
    Goodness-of-fit:   1.000000


 Including standard deviation
    A =  1.016625      Uncertainty:  0.100755
    B = -2.011461      Uncertainty:  0.017321
    Chi-squared:      93.364548
    Goodness-of-fit:   0.613574