The first page of output shows the output from PROC MEANS with the statistics for six class levels: one for Monroe High for the years 1992, 1993, and 1994; and one for Kennedy High for the same three years.

                  Summary of Volunteer Work by School and Year                 1

                              The MEANS Procedure

                          N
 School           Year  Obs  Variable            N          Mean         Range
 -----------------------------------------------------------------------------
 Kennedy          1992   15  MoneyRaised        15    29.0800000    39.7500000
                             HoursVolunteered   15    22.1333333    30.0000000

                  1993   20  MoneyRaised        20    28.5660000    23.5600000
                             HoursVolunteered   20    19.2000000    20.0000000

                  1994   18  MoneyRaised        18    31.5794444    65.4400000
                             HoursVolunteered   18    24.2777778    15.0000000

 Monroe           1992   16  MoneyRaised        16    28.5450000    48.2700000
                             HoursVolunteered   16    18.8125000    38.0000000

                  1993   12  MoneyRaised        12    28.0500000    52.4600000
                             HoursVolunteered   12    15.8333333    21.0000000

                  1994   28  MoneyRaised        28    29.4100000    73.5300000
                             HoursVolunteered   28    19.1428571    26.0000000
 -----------------------------------------------------------------------------