Mean Value Data                              1
                                                13:53 Monday, March 29, 1999

                                       Mean
                               OBS    Values

                                 1      4.2 
                                 2      4.4 
                                 3      5.0 
                                 4      5.4 
                                 5      5.4 
                                 6      6.0 
                                 7      6.2 
                                 8      6.4 
                                 9      7.0 
                                10      7.0 
                                11      7.0 
                                12      7.2 
                                13      7.4 
                                14      7.4 
                                15      7.4 
                                16      7.4 
                                17      7.6 
                                18      7.8 
                                19      7.8 
                                20      8.2 
                                21      8.2 
                                22      8.4 
                                23      8.4 
                                24      8.4 
                                25      8.6 
                                26      8.6 
                                27      8.6 
                                28      8.8 
                                29      8.8 
                                30      8.8 
                                31      9.0 
                                32      9.0 
                                33      9.2 
                                34      9.6 
                                35      9.6 
                                36      9.8 
                                37     10.0 
                                38     10.0 
                                39     10.2 
                                40     10.2 
                                41     10.4 
                                42     11.0 
                                43     11.2 
                                44     11.4 
                                45     11.4 
                                46     12.0 
                                47     12.4 
                              Mean Value Data                              2
                                                13:53 Monday, March 29, 1999

                                       Mean
                               OBS    Values

                                48     13.2 
                                49     14.2 
                                50     15.0 
                              Mean Value Data                              3
                                                13:53 Monday, March 29, 1999

         Analysis Variable : MEANVALS Mean Values


          N          Mean       Std Dev       Minimum       Maximum
         ----------------------------------------------------------
         50          8.73          2.34          4.20         15.00
         ----------------------------------------------------------
                              Mean Value Data                              4
                                                13:53 Monday, March 29, 1999

   Mean Values                                     Cum.              Cum.
   Midpoint                                  Freq  Freq  Percent  Percent
              |
       3.75   |****                             2     2     4.00     4.00
              |
       5.25   |******                           3     5     6.00    10.00
              |
       6.75   |**********************          11    16    22.00    32.00
              |
       8.25   |****************************    14    30    28.00    60.00
              |
       9.75   |**********************          11    41    22.00    82.00
              |
      11.25   |********                         4    45     8.00    90.00
              |
      12.75   |******                           3    48     6.00    96.00
              |
      14.25   |**                               1    49     2.00    98.00
              |
      15.75   |**                               1    50     2.00   100.00
              |
              -----+----+----+----+----+---
                   5    10   15   20   25

                        Percentage
                              Mean Value Data                              5
                                                13:53 Monday, March 29, 1999

   Percentage

      |                       *****                                         
      |                       *****                                         
      |                       *****                                         
   25 +                       *****                                         
      |                       *****                                         
      |                       *****                                         
      |                *****  *****  *****                                  
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   20 +                *****  *****  *****                                  
      |                *****  *****  *****                                  
      |                *****  *****  *****                                  
      |                *****  *****  *****                                  
      |                *****  *****  *****                                  
   15 +                *****  *****  *****                                  
      |                *****  *****  *****                                  
      |                *****  *****  *****                                  
      |                *****  *****  *****                                  
      |                *****  *****  *****                                  
   10 +                *****  *****  *****                                  
      |                *****  *****  *****                                  
      |                *****  *****  *****  *****                           
      |                *****  *****  *****  *****                           
      |         *****  *****  *****  *****  *****  *****                    
    5 +         *****  *****  *****  *****  *****  *****                    
      |  *****  *****  *****  *****  *****  *****  *****                    
      |  *****  *****  *****  *****  *****  *****  *****                    
      |  *****  *****  *****  *****  *****  *****  *****  *****  *****      
      |  *****  *****  *****  *****  *****  *****  *****  *****  *****      
      ------------------------------------------------------------------
          3.75   5.25   6.75   8.25   9.75  11.25  12.75  14.25  15.75

                               Mean Values