L38 Industry Statistics Based Upon LTMS Data Sets                                                                                              08:30 Thursday, November 17, 2005   5
April Period   =10/1 to 3/31
October Period =4/1 to 9/30
pooled s is by reference material ( example: oil)

                                                 Degrees of      Pooled
  Parameter   Period        N-size  Average Yi      Freedom           s
  ƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒ
                                                                       
  TBWL         1993OCT          51     -0.2687           47      7.6792
  TBWL         1994APR          26     -0.5494           23      9.7868
  TBWL         1994OCT          26     -0.4212           23      8.6469
  TBWL         1995APR          32      0.5775           29     21.0702
  TBWL         1995OCT          29      0.3765           26     14.6476
  TBWL         1996APR          30      0.0242           26      8.4991
  TBWL         1996OCT          17     -0.0216           14      4.9945
  TBWL         1997APR          14      0.1946           10      5.9712
  TBWL         1997OCT          15     -0.1375           12      3.8341
  TBWL         1998APR          13     -0.1972            9      4.4796
  TBWL         1998OCT          10     -0.1733            5      9.5194
  TBWL         1999APR          18      0.5711           14      8.3803
  TBWL         1999OCT           5      0.4895            3      3.6405
  TBWL         2000APR           6     -0.3752            3      4.3276
  TBWL         2000OCT           4     -0.0902            2      5.8586
  TBWL         2001APR           4      0.5775            2     11.1572
  TBWL         2001OCT           2     -0.0758            1      9.3338