Question: The variance, or variability, in the sample data indicates how closely the data clusters around the mean. If there is a high amount of variability

The variance, or variability, in the sample data indicates how closely the data clusters around the mean. If there is a high amount of variability in the data, we get a "flatter curve" in comparison to a low amount of variability. Sample Variability Hi v Lo.png How does the variability in the sample data influence the: power? effect size? confidence interval

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