L371 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 WEAR 2020APR 7 0.2710 4 0.0000 WEAR 2020OCT 4 -0.3095 2 0.5000 WEAR 2021APR 11 -0.2367 8 0.5000 WEAR 2021OCT 7 -0.8753 5 0.4000 WEAR 2022APR 6 -1.0417 4 0.5000 WEAR 2022OCT 9 -0.0789 6 0.0000 WEAR 2023APR 6 -0.0119 4 0.0000 WEAR 2023OCT 3 -0.7900 1 0.0000 WEAR 2024APR 3 -0.6038 0 . WEAR 2024OCT 4 0.5020 1 0.0000 RIDG 2020APR 7 0.2202 4 0.5000 RIDG 2020OCT 4 -0.9292 2 0.0000 RIDG 2021APR 11 0.0311 8 0.4330 RIDG 2021OCT 7 -0.6083 5 0.4899 RIDG 2022APR 6 -0.3667 4 0.5000 RIDG 2022OCT 9 0.0583 6 0.0000 RIDG 2023APR 6 0.6667 4 0.0000 RIDG 2023OCT 3 -0.9333 1 0.0000 RIDG 2024APR 3 -0.5952 0 . RIDG 2024OCT 4 -0.1146 1 0.0000 RIPP 2020APR 7 0.6092 4 0.0000 RIPP 2020OCT 4 -0.5813 2 1.5000 RIPP 2021APR 11 -0.1367 8 0.4330 RIPP 2021OCT 7 -0.3500 5 0.6325 RIPP 2022APR 6 0.4095 4 0.5000 RIPP 2022OCT 9 -0.3317 6 0.4714 RIPP 2023APR 6 -0.7714 4 0.5000 RIPP 2023OCT 3 -0.4000 1 0.0000 RIPP 2024APR 3 0.2008 0 . RIPP 2024OCT 4 0.0994 1 2.1213 SPIT 2020APR 3 0.2222 1 0.0000 SPIT 2020OCT 4 -0.0833 2 0.0500 SPIT 2021APR 3 0.2222 1 0.0000 SPIT 2021OCT 7 -0.3333 5 0.0800 SPIT 2022APR 4 0.3333 3 0.0000 SPIT 2022OCT 3 0.2222 1 0.0000 SPIT 2023APR 2 0.3333 1 0.0000 SPIT 2023OCT 3 0.2222 1 0.0000 SPIT 2024APR 3 0.0000 0 . SPIT 2024OCT 4 -0.8929 1 0.0707