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3: > summary(aov(effectiveness~(age*story))) Df Sum Sq Mean Sq F value Pr(>F) age 1 12.04 12.042 10.20 0.005031 ** story 2 33.58 16.792 14.22 0.000197 ***
3: > summary(aov(effectiveness~(age*story))) Df Sum Sq Mean Sq F value Pr(>F) age 1 12.04 12.042 10.20 0.005031 ** story 2 33.58 16.792 14.22 0.000197 *** age:story 2 35.08 17.542 14.86 0.000155 *** Residuals 18 21.25 1.181 --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 pairwise.t.test(effectiveness, story, p.adjust.method ="bonferroni") Pairwise comparisons using t tests with pooled SD data: effectiveness and story buycold control control 1.000 - medication 0.025 0.047
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Linear Algebra and Its Applications
Authors: David C. Lay
4th edition
321791541, 978-0321388834, 978-0321791542
