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What is the purpose of post tests for a significant one-way ANOVA? a.)to increase the experiment-wise...

What is the purpose of post tests for a significant one-way ANOVA?

a.)to increase the experiment-wise alpha high enough to prevent a Type II error.

b.)to determine whether a Type I error was committed.

c.)to determine how much difference exists between the treatments.

d.)to determine which treatments are significantly different from the others.

math   Statistics-And-Probability   
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Answer #1

to determine how much difference exists between the treatments.this is the purpose of post tests for a significant one-way ANOVA...

Reason-post hoc tetsts are integral part pf anova..it is used to explore difference between multiple groups means while controlling the experiment wise error rate....

So c is the right answer

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