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Question: determinations of the ultimate tensile strength sut of stainlesssteel sheet...

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Determinations of the ultimate tensile strength Sut of stainless-steel sheet (17-7PH. condition TH 1050), in sizes from 0.016 to 0062 in, in 197 tests combined into seven classes are as follows S. . (kpsi) 174 182 190 198 206 214 222 6 9 67 53 12 6 where Sutis the class midpoint and Fis the class frequency Estimate the mean and standard deviation. The mean iskps The standard deviation iskpsi.
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