The SAS System        22:14 Thursday, August 25, 2011   1

                                   Obs    standard    new

                                    1        72        77
                                    2        68        74
                                    3        76        82
                                    4        68        73
                                    5        84        87
                                    6        68        69
                                    7        61        66
                                    8        76        80

                                           The SAS System        22:14 Thursday, August 25, 2011   2

                                        The TTEST Procedure

                                    Difference:  new - standard

                    N        Mean     Std Dev     Std Err     Minimum     Maximum

                    8      4.3750      1.6850      0.5957      1.0000      6.0000

                       Mean       95% CL Mean        Std Dev      95% CL Std Dev

                     4.3750      2.9663   5.7837      1.6850      1.1141   3.4295

                                       DF    t Value    Pr > |t|

                                        7       7.34      0.0002