T12A 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
                                                                       
  MRV          2010APR           1     -0.1088            0       .    
  MRV          2010OCT           2     -0.4109            1     565.685
  MRV          2011APR           4     -0.1699            3     127.437
  MRV          2011OCT           7      0.9702            5     206.559
  MRV          2012APR           6     -0.8137            4     1110.18
  MRV          2012OCT           6      1.0619            4     268.920
  MRV          2013APR           1     -0.7130            0       .    
  MRV          2013OCT           4      0.0808            3     877.050
  MRV          2014APR          11     -1.4271           10     743.334
  MRV          2014OCT           5      0.9577            2     820.400
  MRV          2015APR           8      0.7598            7     322.656
  MRV          2015OCT           8     -0.5619            6     543.796
  MRV          2016APR           9      0.4955            8     421.307
  MRV          2016OCT           2      1.8550            1     494.975
  MRV          2017APR           4      0.7221            3     95.7427
  MRV          2017OCT           3     -0.0081            2     896.289
  MRV          2018APR           2     -0.4109            1     848.528
  MRV          2018OCT           4      1.3263            3     309.570
  MRV          2019OCT           3      1.3011            2     1159.02
  MRV          2020APR           2      0.6465            1     1202.08
  MRV          2020OCT           1      0.7976            0       .    
  MRV          2021OCT           4      0.1934            3     365.148
  MRV          2022APR           2      0.0423            1     212.132
  MRV          2022OCT           3     -2.3243            2     1270.17
  MRV          2023OCT           5      0.8580            4     867.179
  MRV          2024APR           1      2.3082            0       .    
  MRV          2024OCT           2      0.9486            1     636.396
  MRV          2025APR           3      1.6032            2     503.322