Question: a.Plot the data in Table 3.9 and fit a linear trend line and display the regression equation and R-squared. b. Compute the regression coefficients and

a.Plot the data in Table 3.9 and fit a linear trend line and display the regression equation and R-squared.

b. Compute the regression coefficients and compare your results with part a.

c. Fit a regression model using Excels regression function and compare your results with parts a and b.

a.Plot the data in Table 3.9 and fit a linear

128 Chapter 3 Simple Linear Regression TABLE 3.9 Direct Labor Cost Data Direct Labor Cost, y(x $100) Batch Size, x 5 62 35 71 663 381 138 861 145 493 548 251 1024 435 772 12 83 14 46 52 23 100 41 75

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