Answer:
There is a demand because people can use the money to purchase the goods and services they need and want. Goods and services are what ultimately matter in the economy, and money is a way that allows people to acquire the goods and services that they need or want. It allows people to obtain what they need to live.
Explanation:
<span>c. proves our expertise </span>
Answer:
The correct answer is It allows workers to specialize in a variety of skills
Explanation:
Job specialization (also known as division of labor) first proposed by the scottish economist Adam Smith, exposed in his main work "The Wealth of Nations" in 1776, refers to the process of breaking large jobs into smaller jobs assigned to individual workers. The purpose of job specialization is to focus each worker's concentration on a specific area of expertise within the production process. The argument states that, through the specialization and refinement of skills, productivity will increase.
Explanation:
(a) Experimental unit
A person or an object, or some well-defined body or item on which some treatment is applied
(b) Treatment
Combination of a values of factors. These are explanatory variables.
(c) Response variable
The qualitative variable or quantitative variable in which the researcher wants to determine how the value is affected by any explanatory variable.
(d) Factor
It is the variable whose influence on a response variable can be assessed by the researcher.
(e) Placebo
An innocuous treatment, like a sugar tablet, which looks, smells and tastes like an experimental medication.
(f) Confounding
The effect of the two factors cannot be distinguished.