GMO stands for:

The null hypothesis is represented by which of the following?

A) µ1 = µ2 B) µ0 ? µ0 C) µ = µ2 D) µ0 = µ0

Which of the following concentrations is found in stannous fluoride gel preparations?

A) 0.12 B) 0.02 C) 0.04 D) 0.40 E) 0.50