The process of marketization has led to an increase in governmental economic involvement across the globe

In which type of population is it more important to have a large sample?

A) a homogeneous population B) a heterogeneous population C) a stratified population D) a random population

Dr. Marshall is interested in researching the feeding habits of humpback whales in the wild. Which of the following feasibility issues will be the most difficult one for him to deal with?

a. time b. expense c. ethics d. all equally difficult