Systematic sampling, the population size is divided by your sample size to provide you with a number, k, for example; then, from a random starting point, you select every kth individual. For example, if your population size was 2,000 and you wanted a sample of 100, you would select every 20th individual.
Mixed ecomies ate most common used
Answer:
government regulations
Explanation:
bcz they are the regulations of government
