Examlex
Measuring the effect of advertising on sales is difficult.
Kruskal-Wallis Test
A non-parametric method for testing whether samples originate from the same distribution, used when the ANOVA assumptions are not met.
Significance Level
The threshold at which the null hypothesis is rejected in statistical testing, often denoted as alpha (α).
Statistics
The science of collecting, analyzing, interpreting, and presenting data.
P-value
The probability measure indicating the likelihood of obtaining test results at least as extreme as the results actually observed, assuming that the null hypothesis is correct.
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