statistical test

The Power of a Statistical Test – Revisited with Calculations

In an earlier blog, we discussed the power of a statistical test. We repeat that blog with the addition, following the video link, of referral to a suite of calculators that you can use to calculate the power in many applications you may face. First, the original blog. What is the power of a statistical [...]

2020-02-08T18:21:15-06:00By |Tags: , , |0 Comments
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The Power of a Statistical Test

What is the power of a statistical test and why use it? Power is the probability of making a correct decision (to reject the null hypothesis) when the null hypothesis is false. To determine it, one needs to assume a particular alternative hypothesis. Because power focuses on “making a correct decision” it is natural to [...]

2019-06-16T07:22:02-06:00By |Tags: , , |0 Comments
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