10.4 Exercise 22

Let the subscript t = treated patient and ut = untreated patient.

If the p-value is 0.0062, what is the conclusion? Use α = 0.05.

1. The method has no effect.
2. There is sufficient evidence to conclude that the method reduces the proportion of patients who develop the disease after four years.
3. There is sufficient evidence to conclude that the method increases the proportion of patients who develop the disease after four years.
4. There is insufficient evidence to conclude that the method reduces the proportion of patients who develop the disease after four years.