The tensile strength of plastic is proportional to the heat treatment time. The following data was..
The tensile strength of plastic is proportional to the heat treatment time. The following data was collected for an experimental plastic: Time (min) 10 15 20 25 40 50 Tensile str (MPa) 18 20 34 46 1. By hand (pen, pencil, and calculator): a. Calculate the standard deviation. b. Use linear least squares regression to fit a straight line of the form: Tensile strength – ao a1 Time to the data. c. Calculate the coefficient of determination. d. Calculate the standard error of the estimate. Compare it to the standard deviation e. Use your fit line to predict the tensile strength corresponding to a heat treatment time of 32 minutes.
Apr 06 2022 12:55 PM
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