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dosage
2010 Sep 20
2
interpreting one-way anova tables
...ess~Dosage,data=data.ex1))
gives:
Call:
lm(formula = Alertness ~ Dosage, data = data.ex1)
Residuals:
Min 1Q Median 3Q Max
-8.500 -2.437 0.250 2.687 8.500
Coefficients:
Estimate Std. Error t value Pr(>|t|)
(Intercept) 32.500 2.010 16.166 6.72e-11 ***
Dosageb -4.250 2.659 -1.598 0.130880
Dosagec -13.250 3.179 -4.168 0.000824 ***
---
Signif. codes: 0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1
Residual standard error: 4.924 on 15 degrees of freedom
Multiple R-squared: 0.5396, Adjusted R-squared: 0.4782
F-statistic: 8.7...