Hypotheses testing : P-values
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Abstract
In statistical hypothesis testing, the P-value is the probability of obtaining a value of the test statistic at least as extreme as the one that was actually observed, given that the null hypothesis is true. The fact that P-values are based on this assumption is crucial to their correct interpretation.
Description
Microsoft Excel Spreadsheet with interactive hyperlinks and activities.
Keywords
Hypotheses testing, P-values, Sample size, Type I error, Histogram, e-Stats