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¯ = sample mean of differences d 0 {\displaystyle d_{0}} = hypothesized population mean difference s d {\displaystyle s_{d}} = standard deviation of differences
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Use of LaTeX for formulas involving symbols that are not regularly rendered in Unicode (see MOS:BBB) Avoid formulas in section headings, and when this is necessary, use raw HTML (see Finite field for an example) The choice between {} and LaTeX depends on the editor. Converting a page from one format to another must be done with stronger reasons ...
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Help:A quick guide to templates: an introduction to templates. Help:Substitution: substitution is an alternative way of including templates than transclusion. Help:Score: how to render musical scores. Help:Displaying a formula: displaying mathematical formulae. Editing Wikitext at Wikibooks.