Evaluating normality - PowerPoint PPT Presentation

Assumption of normality

Assumption of normality. Assumption of normality Transformations Assumption of normality script Practice problems. Assumption of Normality. Many of the statistical methods that we will apply require the assumption that a variable or variables are normally distributed.

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Psychology 202a Advanced Psychological Statistics

Psychology 202a Advanced Psychological Statistics. October 1, 2014. The Plan for Today. The Z test Assumptions The two-sample Z test The t test Evaluating normality The Quantile-Quantile plot. Using the central limit theorem for inference. The one-sample Z test Example:

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