**********************************************************************
     *                                                                    *
     *                   Estimate of b and its variance                   *
     *                                                                    *
     **********************************************************************


                                           Col  1

                               Row  1     0.72910
                               Row  2     1.50053
                               Row  3     0.97680


                               Col  1      Col  2      Col  3

                   Row  1  0.00875663   -0.013017 -0.00046027
                   Row  2   -0.013017    0.025357 -0.00014200
                   Row  3 -0.00046027 -0.00014200  0.00199555