Effect Size and Hypothesis Testing

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Goal(s): Notice how, for statistically significant results based on large sample sizes, the effect size can range from small to large.

How: For each scenario presented, look at sample mean within the context of the distribution of sample means (the dashed red distribution); this difference is measured using the Z-test. Also, consider the difference between the sample distribution and the null specified distribution (shown in solid red); this difference is measured using Cohen's d.

Site: P2L.io