If the between-group variability exceeds the within-group variability by more than would be expected by chance alone, at least one of the group means differ significantly from another. True or False 2. Conducting multiple t tests create a greater probability of making a type I error. True or False
If the between-group variability exceeds the within-group variability by more than would be expected by chance alone, at least one of the group means differ significantly from another. True or False 2. Conducting multiple t tests create a greater probability of making a type I error. True or False
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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1. If the between-group variability exceeds the within-group variability by more than would be expected by chance alone, at least one of the group means differ significantly from another.
True or False
2. Conducting multiple t tests create a greater probability of making a type I error.
True or False
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