Question: Using the data of Problem, fit a linear model and a power model. Make a complete assessment of each. Which model is best for prediction? Support your choice.
Problem: The data shown are the results of a tensile test of a steel specimen, where Y is elongation in thousands of an inch that resulted when the tensile force was X thousands of pounds. Fit the data with a linear model and make a complete assessment of the results (use α = 5% where necessary).
