405 MGMT Spring 2012 Exam 2 Review Format Part I: Multiple choices: 20 questions, 60 points Part II: Workout problems: 2 questions, 40 points Materials All the materials in the class notes. Contents 1. EWMA control charts 2. Individual measurements chart based on moving range EWMA chart, compare it with X-bar chart.
DOE Objectives Randomization and replication Single factor ANOVA model, overall F test, and multiple comparisons Randomized block design Two factor ANOVA model, main and interaction effects, appropriate further analyses after testing interaction effects.
3.
2k designs Computation of factor effects, sums of squares, ANOVA table Connection regression to models.
Minitab Interpret the printout for the single factor ANOVA model and multiple comparisons Interpret the printout for the two factor ANOVA model Interpret the printout for the factorial design ANOVA model.
Computation EWMA charts Filling up incomplete ANOVA tables
The factor effects and sums of squares in the 2k designs. Information provided with exam paper: 1. 2. The F distribution table Formulas: EWMA chart UCL t = X + 3 CL t = X , LCL t = X - 3 n 1 - (1 - ) 2 t 2- n 1 - (1 - ) 2 t 2-
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One-way ANOVA SSTR = (- = n (- , MSTR = , SSE = (yij - = (n - 1) , 2k designs Estimated effect = , MSE = .
SS(effect) = .