Minitab Portable Worksheet P1.1             199011 6 Release 7.1               .
%      3      1      5      0 before                                           .
 3.800000000E+01 6.500000000E+01 6.800000000E+01 5.900000000E+01 6.700000000E+01
%      3      2      5      0 after                                            .
 4.500000000E+01 7.700000000E+01 8.100000000E+01 7.000000000E+01 7.300000000E+01