If Testing the Difference Between Two Population Proportions Under Independent

Multiple Choice

If testing the difference between two population proportions under independent sampling,you pool the sample proportions and compute as _________ .

A) if the population proportions are assumed equal
B) if the difference in the population proportions is hypothesized to be zero
C) if the difference in the population proportions is hypothesized to be different than zero
D) All of these choices are correct