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anova test.jpg - t test vs ANOVA I t test I ANOVA —...

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Unformatted text preview: t test vs. ANOVA I t test I ANOVA — Cempare means trem two green ps — Compare means hem m‘flm turn — Are they sd far apart that the difference QTDUPS panhet be attributed td sampling — Are they se far apart that the difference variability {i.e.. rai'idemness]:"rI eanhet be attributed td sampling _ Hu=ii1 = #2 variability {i.e.. ra'idbmness}? - Halt-I1 = #2 = = in: - Test statistic - Test statistic i {E1 —:E3) — {p1 — #3) F variability between grmtps SEE; 1-52} varied titty Within grbups - Large test statistics lead to small p-values - lip-melee is small El‘lmg‘ll H” is rejected and we dendude that that data presides evidence at a dfieuenee in pmulefim meare ...
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