2 Mean tensile strength for a standards expected to increase

2. Mean tensile strength for a standards expected to increase mean strength. The standard deviation of tensile a standard steel product is 24100 psi. A manufacturing ingpome Testing a pilot production run of expected to increase mean strength. The standared strength is 160 psi and thie value is not expected to change. were used. What percentage of the time will a test detect a possible incr at a significance level of 5%? a pliot production run of the improved product, 16 random chnenvations ase of 180 pa in mean stren Procedure

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