Polynomial fit:
     1.005250  +-  0.017368
     1.995288  +-  0.232175
     2.683045  +-  0.817346
     4.441695  +-  0.964412
     4.825196  +-  0.342444
 Chi-squared   87.990593

 Legendre polynomial fit
     2.864635  +-  0.349126
     4.660307  +-  0.789870
     4.545941  +-  0.729281
     1.776685  +-  0.385767
     1.102900  +-  0.078273
 Chi-squared   87.990662