Calculate A B and S Basis material allowables for a cast met

Calculate A, B, and S Basis material allowables for a cast metal beam based on the provided test data below. S-Basis value = B-Basis Value = A-Basis value = What statistical basis and strength value (from this test data evaluation) would you recommend to be used for this structural beam in a commercial building elevator? How could you increase the A & B Basis strength numbers if you were to start testing over again?

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