Question: An experiment is performed to define the relationship between applied stress and the time to fracture for a type of stainless steel. Eight different values

An experiment is performed to define the relationship between applied stress and the time to fracture for a type of stainless steel. Eight different values of stress are applied, and the resulting data is

Plot the data and then develop a best-fit equation to predict the fracture time for an applied stress of 20kg/mm2.

Applied stress x, kg/mm? 10 15 20 25 30 35 40 Fracture time y, h 30 40 25 40 18 22 20 15

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