Petal Length and Petal Width Figure 2.93 (a) shows a scatterplot of the two quantitative variables petal length and petal width.

(a) Explain how the scatterplot appears to show at least two different types of irises.

(a)

(b)

Figure 2.93 Petal length and petal width

(b) Figure 2.93 (b) shows the same scatterplot with the Type categorical variable included. We can now see the that there are three different types included: Setosa, Versacolor, and Virginica. Which type has the smallest petals? Which type has the largest petals?

Transcribed Image Text:

70 60 50 40 30 20- 10 0 Petal Length 5 10 15 Petal Width -20 25 -2