The answer is C. Stratified random sampling is a method of sampling that involves the division of a population into smaller sub-groups known as strata. In stratified random sampling or stratification, the strata are formed based on members' shared attributes or characteristics such as income or educational attainment. Since the students are divided into classes, this is a stratified random sample.
Answer: True - Monopolistic competition
Explanation:
The monopolistic competition is one of the type of imperfect competition in which the various types of industries selling the products and the services that is basically differentiated from others.
In the monopolistic competitors, the different types of decision taken by an organizations are not directly affecting the other competitors in the market.
According to the question, the J. Pitner's is basically refers to the monopolistic competition in the given competitive environment as it helps in establishing the reputation by offering the various types of high quality services.
Therefore, Monopolistic competition is the correct answer.
Answer: Option (D) is correct.
Explanation:
The economic efficiency is achieved at a point where demand curve and supply curve intersects each other. This point is known as market equilibrium. The area under the demand curve and above the equilibrium price level is known as consumer surplus.
The area above the supply curve and under the equilibrium price level is known as producer surplus.
Hence, the combine area of consumer surplus and producer surplus have to maximized to have a economic efficiency in an economy.
