One-Way ANOVA · Exercise 10

Suppose a group is interested in determining whether teenagers obtain their drivers licenses at approximately the same average age across the country. Suppose that the following data are randomly collected from five teenagers in each region of the country. The numbers represent the age at which teenagers obtained their drivers licenses.

$$\begin{array}{cccccc}& \text{Northeast}& \text{South}& \text{West}& \text{Central}& \text{East}\\ & \text{16.3}& \text{16.9}& \text{16.4}& \text{16.2}& \text{17.1}\\ & \text{16.1}& \text{16.5}& \text{16.5}& \text{16.6}& \text{17.2}\\ & \text{16.4}& \text{16.4}& \text{16.6}& \text{16.5}& \text{16.6}\\ & \text{16.5}& \text{16.2}& \text{16.1}& \text{16.4}& \text{16.8}\\ \bar{x}=& & & & & \\ s^2=& & & & & \end{array}$$
State the hypotheses.
H_0: ____________
H_a: ____________

This exercise has fill-in blanks from its source book and no answer key.

OpenStax, Introductory Statistics 2e · §13.1 One-Way ANOVA · Exercise 10