ISBV108 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          2024OCT          15     -0.0178           14     374.793
  MRV          2025APR           6      0.0482            5     498.799
  MRV          2025OCT           1      0.7443            0       .    
  SOOT4        2024OCT          15     -0.0848           14      0.2056
  SOOT4        2025APR           6     -0.4015            5      0.0508
  SOOT4        2025OCT           1     -1.4545            0       .    
  SOOT         2024OCT          15      0.0026           14      0.2602
  SOOT         2025APR           6     -0.2853            5      0.1264
  SOOT         2025OCT           1     -0.8560            0       .    
  SOOT5        2024OCT          15      0.0090           14      0.2893
  SOOT5        2025APR           6     -0.3041            5      0.1386
  SOOT5        2025OCT           1     -0.6757            0       .