Examlex
Which of the following elements is an alkali metal?
Distribution
Distribution in statistics refers to the way in which values of a variable or a set of data are spread or dispersed across a range.
Matched Pairs Differences
A statistical technique that examines differences between paired observations to test the significance of the mean difference.
Wilcoxon Signed Rank
A non-parametric statistical test used to compare two related samples, matched samples, or repeated measurements on a single sample to assess differences in their median values.
Sign Test
A non-parametric test used to evaluate the difference in medians from a pair of related samples, assuming nothing about the distribution of the differences.
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