X Industry Statistics Based Upon LTMS Data Sets
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
                                                                       
  CHST         2016APR          15     -0.2947           12      0.2113
  CHST         2016OCT           7      0.1668            4      0.2108
  CHST         2017APR           6     -0.4955            4      0.0709
  CHST         2017OCT           9     -0.2183            6      0.2067
  CHST         2018APR          14     -0.3502           11      0.1484
  CHST         2018OCT           7      0.6982            4      0.0768
  CHST         2019APR           8     -0.4984            5      0.1789
  CHST         2019OCT           7     -0.0950            4      0.2270
  CHST         2020APR           9     -1.0977            7      0.3087
  CHST         2020OCT           7     -1.1765            4      0.2060
  CHST         2021APR           8     -2.7515            5      0.1468
  CHST         2021OCT           6     -0.8218            4      0.1932
  CHST         2022APR           4     -1.1094            3      0.1990
  CHST         2022OCT           7     -0.9098            6      0.2110
  CHST         2023APR           5     -0.6496            4      0.1235
  CHST         2023OCT           6     -1.2655            5      0.1348
  CHST         2024OCT           3     -0.6893            2      0.0417