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Gnom [1K]
3 years ago
14

The data below represent the weight losses for people on three different exercise programs.

Mathematics
1 answer:
uysha [10]3 years ago
8 0

Answer:

A. The risk of type l error increases and becomes too high.

Step-by-step explanation:

The overall level of significance increases as the number of t- tests ( used for comparing two, three or four means separately ) increases. This in turn increases the risk of type I error.

We might be tempted to apply the two sample t- test to all possible pairwise comparisons of means. This type of running t- test to several means comparison has the risk of increasing overall level of significance

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