Question: Summary: > confint(SepalWidth . lm) 2.5 % 97.5 % (Intercept) 3.3330635 3.5229365 Speciesversicolor -0. 7922604 -0.5237396 Speciesvirginica -0.5882604 -0.3197396call : 1m(formula = Sepal. Width -

Summary:

Speciesversicolor -0. 7922604 -0.5237396 Speciesvirginica -0.5882604 -0.3197396call : 1m(formula = Sepal. Width

> confint(SepalWidth . lm) 2.5 % 97.5 % (Intercept) 3.3330635 3.5229365 Speciesversicolor -0. 7922604 -0.5237396 Speciesvirginica -0.5882604 -0.3197396call : 1m(formula = Sepal. Width - Species, data = iris) Residuals: Min 1Q Median 30 Max -1. 128 -0. 228 0. 026 0.226 0.972 Coefficients : Estimate Std. Error t value Pr (>|t/) (Intercept) 3. 42800 0. 04804 71. 359

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