The Best Approach for Obtaining a Representative Sample When Using

Multiple Choice

The best approach for obtaining a representative sample when using stratified random sampling is to

A) sample so that there is an equal number of respondents in the different strata.
B) use random-digit dialing.
C) sample so that the proportion of respondents in the different strata represents the proportions in the population.
D) eliminate people from the sampling frame who are unlikely to return a completed survey.