Answer
$F_0=19.62$ with a P-value $\ltα$. Reject the null hypothesis.
There is enough evidence to conclude that the mean resting heart rate for each category is not the same.
Work Step by Step
$H_0:µ_1=µ_2=µ_3$ versus
$H_1:$ at least one population mean is different from the others
In MINITAB, enter the Nonsmokers values in C1, the Light Smokers values in C2 and in C3 enter the Heavy Smokers 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.
$F_0=19.62$ with a P-value $\lt0.001\ltα=0.05$
