MANE 6313

Week 4, Module F

Student Learning Outcome

Analyze simple comparative experiments and experiments with a single factor.

Module Learning Outcome

Interpret multiple comparisons of treatments to a control.

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Multiple Comparisons to a Control Group

• A control group is a group that does not receive a treatment

• Very common in medical and agricultural experiments

• The ANOVA must show that the model is statistical significant before applying multiple comparisons

• The test is called Dunnett's Test

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Dunnett's Test - Example Problem

• Data is given in problem 12.10

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Box Plot of Data

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Analysis of Variance

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Dunnett's Test

R Demonstration

• Dunnett's procedure for problem 12.10