Answer:
B. product line 
Explanation:
The large variety of toothpastes under the Crest brand is an example of a product line 
 
        
             
        
        
        
OPR stands for Office of Professional Responsibility. OPR is a governing body that announces disciplinary sanctions. The OPR sanctions involves attorney, certified public announcements, appraisers, etc. OPR sanctions are disciplinary sanctions that are imposed when any violation of applicable standards occur.  
        
             
        
        
        
Answer: Categorical; Ordinal
Explanation:
The data that are collected by the airline in this case is referred to as categorical.
The categorical variables are simply referred to as categorical variables because they can be segregated into groups. Also, the measurement of scale that is used is the ordinal scale.
Ordinal data is a kind of categorical data with a set order or scale to it.
Comment 
 
        
             
        
        
        
Structural Unemployment is one that is permanent or long lived and Cyclical Unemployment does not have enough demand in the economy.
Explanation:
Structural unemployment results with a permanent dislocations within markets and a mismatch between skills in growing company needs. When the overall goods and service in an economy cannot support full employment that results with Cyclical unemployment.
The difference between Europe and US is, US has 50 states under one country whereas Europe is a union between countries.
Krugman uses the tax savings to buy their own stock, The evidence is overwhelming.