The SAS System      16:00 Friday, December 19, 2010  71

                                      The TTEST Procedure

                                      Variable:  praleista

          kelintas       N        Mean     Std Dev     Std Err     Minimum     Maximum

          1              5      1.0000      0.7071      0.3162           0      2.0000
          2              5      1.6000      1.3416      0.6000           0      3.0000
          Diff (1-2)           -0.6000      1.0724      0.6782

 kelintas      Method               Mean       95% CL Mean        Std Dev      95% CL Std Dev

 1                                1.0000      0.1220   1.8780      0.7071      0.4237   2.0319
 2                                1.6000     -0.0659   3.2659      1.3416      0.8038   3.8553
 Diff (1-2)    Pooled            -0.6000     -2.1640   0.9640      1.0724      0.7243   2.0544
 Diff (1-2)    Satterthwaite     -0.6000     -2.2554   1.0554

                  Method           Variances        DF    t Value    Pr > |t|

                  Pooled           Equal             8      -0.88      0.4021
                  Satterthwaite    Unequal       6.063      -0.88      0.4101

                                     Equality of Variances

                       Method      Num DF    Den DF    F Value    Pr > F

                       Folded F         4         4       3.60    0.2425