Multiple T-tests Vs AVOVA

Multiple T-tests Vs AVOVA Montgomery Chapter 3

IV = independent variable: DV dependent variable

? Suppose we have a data set as: We wish to see if the 3 means and the same or at least one is different.

T_test_VS_ANOVA Brainerd

1

Multiple T-tests Vs AVOVA

? T-tests:

T_test_VS_ANOVA Brainerd

2

Multiple T-tests Vs AVOVA

T_test_VS_ANOVA Brainerd

3

Multiple T-tests Vs AVOVA

? We could test all 3 means in a pair-wise comparison as:

T_test_VS_ANOVA Brainerd

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Multiple T-tests Vs AVOVA

T_test_VS_ANOVA Brainerd

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