The Shapiro-Wilk test answers a fundamental question in statistics: does my data come from a normally distributed population? This matters because many statistical procedures—t-tests, ANOVA, linear…
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Many statistical methods—t-tests, ANOVA, linear regression—assume your data follows a normal distribution. Violate this assumption badly enough, and your p-values become unreliable. The Shapiro-Wilk…
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Many statistical methods assume your data follows a normal distribution. T-tests, ANOVA, linear regression, and Pearson correlation all make this assumption. Violating it can lead to incorrect…
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