Description
We use an F test rather than a t test for multi-group studies primarily to
Answer
a.
Avoid calculating standard deviations from the variances.
b.
Be able to use a single formula regardless of differing sample sizes between groups.
c.
Reduce calculation time.
d.
Avoid escalating type 1 error rates.
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Explanation & Answer
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To avoid escalating type 1 error rates where applicable.
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