Examlex
A distribution that can be characterized as a bell shape curve is considered to be a __________ distribution.
Aluminum Concentrations
The amount or level of aluminum present in a given substance, mixture, or environment.
Null Hypothesis
A hypothesis that assumes no significant difference or effect, serving as a default assumption to be tested against experimental data.
Wilcoxon Signed Rank Test
A non-parametric statistical hypothesis test used to compare two related samples, matched samples, or repeated measurements on a single sample to assess whether their population mean ranks differ.
Test Statistic
In hypothesis testing, the test statistic is a standardized value derived from sample data, used to make a decision about the null hypothesis.
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