Consider the following Minitab output for a 23 factorial experiment. (a) How many

Chapter 14, Problem 14-28

(choose chapter or problem)

Consider the following Minitab output for a 23 factorial experiment. (a) How many replicates were used in the experiment? (b) Use Equation 14-17 to calculate the standard error of a coefficient. (c) Calculate the entries marked with ? in the output.Factorial Fit: y versus A, B, C Estimated Effects and Coefficients for y (coded units) Source DF Seq SS Adj SS Adj MS F P Main Effects 3 6785 6785 2261.8 ? 0.960 2-Way 3 ? 2918 972.5 0.04 0.988 Interactions 3-Way 1 ? 713 713.3 0.03 0.866 Interactions Residual 8 189314 189314 23664.2 Error Pure Error 8 189314 189314 23664.2 Total 15 199730

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