The SAS System                              1
                                           00:12 Friday, September 17, 2010

               Obs    specimen    method1    method2    diff

                 1        1          7          6         1
                 2        2          3          3         0
                 3        3          3          5        -2
                 4        4          4          3         1
                 5        5          8          8         0
                 6        6          3          2         1
                 7        7          2          4        -2
                 8        8          9          9         0
                 9        9          5          4         1
                10       10          4          5        -1
^L                              The SAS System                              2
                                           00:12 Friday, September 17, 2010

                            The TTEST Procedure

                                Statistics

                            Lower CL          Upper CL  Lower CL
  Difference             N      Mean    Mean      Mean   Std Dev  Std Dev

  method1 - method2     10    -0.956    -0.1    0.7564    0.8235   1.1972

                                Statistics

                          Upper CL
       Difference          Std Dev    Std Err    Minimum    Maximum

       method1 - method2    2.1857     0.3786         -2          1


                                 T-Tests

             Difference             DF    t Value    Pr > |t|

             method1 - method2       9      -0.26      0.7976
^L                              The SAS System                              3
                                           00:12 Friday, September 17, 2010

                            The TTEST Procedure

                                Statistics

                  Lower CL          Upper CL  Lower CL           Upper CL
 Variable      N      Mean    Mean      Mean   Std Dev  Std Dev   Std Dev

 diff         10     -1.33    -0.1    1.1304    0.7395   1.1972    2.7268

                                Statistics

                  Variable  Std Err    Minimum    Maximum

                  diff       0.3786         -2          1


                                  T-Tests

                  Variable      DF    t Value    Pr > |t|

                  diff           9      -0.26      0.7976