Answer:
the definition of a market in determining the price elasticity of demand
Explanation:
In economics, the price elasticity of demand is the measure used to determine the responsiveness and the elasticity of a quantity demanded for a good or a service to increase in the price when nothing but only the price of the product changes. It is the measure to show the demand of a product in relation to the price change of the product.
In the context, Juan Carlos is is filling up a survey regarding the demand or purchasing of toothpaste when the price of the toothpaste changes. Thus this is important to study the price elasticity of demand of a product in the market economy.
Answer:
The best way to illustrate the frequencies for each political preference is a bar graph.
Explanation:
A bar graph is a graphical representation of data and it belongs to the frequency graphs. It is the best way to illustrate the frequencies of political preference because it is very easy to interpret and it shows the relative sizes: you can see which political preference is the most common and which is the least, at one glance.