Because they have a great economy and it is one of the richest countries of the world.
The most notorious pattern shows that <em>those who are qualified to occupy a role of functional importance</em>, which is the degree to which a job is unique job and requires skill, <em>tend to earn more than those who support lesser functions. </em>
Whether only a few or many other people can perform the same function adequately is directly related to the expected proposed wage, meaning that the lesser the amount of qualified people that can successfully perform a task the greater the wage is expected to be.
Answer: Variability
Explanation:
Variability is the trait that displays variation occurring in sample of experiment and results .Variation can be present in experiment as samples may differ, condition may differ,different measuring aspect, etc.
According to the question, variability is the factor that should be considered to determine degree of difference present between data and how they are separate from each other in terms of sample structure, measurement , rate, influence etc even though it is producing same results.
B ) a decrease in the supply of consumer goods