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Anova Midterm Review

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STAT 3119-10 Mid-Term Exam 3/7/2016 6:10pm – 7:30pm
Chap 15, 16, 17, 18, and 19 : sections of each chapters are indicated in the lecture notes
Lecture note 1-8
Homework problem
Quiz
SAS outputs

One page (8.5 x 11 in) sheet (one side only) of handwritten notes (no examples)
Calculator
Probability distribution table will be provided if needed

• Understand and be able to identify the following terminology
Categorical/qualitative variable
Quantitative variable
Experimental and observational design
Factor/factor level
Treatment/Treatment combination
Experimental unit
Balanced design
Randomization
Control group
Source of variations
Linear model
Indicator variable

ANOVA table decomposition
Interpreting SAS output with respect to 1-way and 2-way ANOVA model
Interpret data plots to identify visual differences between groups
Understand the cell means model and the factor effects model: parameters and estimates
Compute parameter estimates for cell means/factor effects model given a table of means
Conduct the F-test for testing the equality of factor level means
Compute CI’s for differences between means
Multiple comparison methods: LSD, Tukey, Bonferroni, and Scheffe
Diagnostics of model assumptions and remedial measures: three key assumptions on the error terms of ANOVA/ transformation methods
Residual analysis
Regression model corresponding to ANOVA model

Review problems: These are the minimum knowledge to get ready for the exam. You should study thoroughly text book material and lecture notes to be well prepared for the exam.

1. Indicate how you would check that the three key assumptions on the error terms for ANOVA model are satisfied. 2. Conducting the one-way ANOVA for the following data, write the cell means and factor effects model and the corresponding parameter estimates.

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