Because he divided the population into smaller groups and then randomly sampled each group, he would be using a stratified random sampling procedure.
Answer
The answer and procedures of the exercise are attached in the following archives.
Step-by-step explanation:
You will find the procedures, formulas or necessary explanations in the archive attached below. If you have any question ask and I will aclare your doubts kindly.
Answer:
The correct answers are: greater than; less than.
Explanation:
In the perfect competition model, the nature of the scale returns poses serious problems, whatever the case considered. Sise assumes that the returns of scale are increasing, the supply of companies is infinite; if they are constant, the offer is null, infinite or indeterminate (equilibrium case); if they are decreasing, the profit of the companies is strictly positive in the balance '. In the latter case, if they could do so, companies would be interested in dividing themselves, without any limit, into entities as small as possible.
Answer
The answer and procedures of the exercise are attached in the following archives.
Explanation
You will find the procedures, formulas or necessary explanations in the archive attached below. If you have any question ask and I will aclare your doubts kindly.