Answer
$F_0=5.811$ with a P-value $=0.0153\ltα=0.05$. Reject the null hypothesis.
There is enough evidence to conclude that the mean pHs in the rainwater are not the same.
Work Step by Step
In MINITAB, enter the Alaska values in C1, the Florida values in C2 and in C3 enter the Texas values.
Select Stat -> ANOVA -> One-Way
Select Response data are in a separate column for each factor level.
In Responses enter C1 C2 C3
Click Ok.
$F_0=5.811$ with a P-value $=0.0153\ltα=0.05$
