Which of the following is not an advantage of a stratified random sample a. It is easier to analyze data once it has been divided into strata b. Because of the improved precision, you don't need as...

Extracted text: Which of the following is not an advantage of a stratified random sample a. It is easier to analyze data once it has been divided into strata b. Because of the improved precision, you don't need as many study participants as you would with random samples and other sampling methods. This in turn saves money c. Dividing the population into strata allows researchers to draw conclusions not only about the general population, butalso about thdsubgroups of the population d. Stratified random sample gives more precise information than a random sample