considered for selection at a stage of sampling
Unit of analysis
Type of object whose characteristics interest us and whose characteristics we want to measure and study
Terms of Sampling
Sampling frame
Unit of analysis
Parameter
Sampling unit
Sample bias
Sample fraction
High school students
as Freshmen
(Unit of analysis)
High school
(Sampling unit)
Represent interdependencies & problems
Analysis of possibilities & uncertainties
Provide safeguards to prevent problems.
Predict the impact of schedule changes.
Effective use of resources ⇒ ideal result
Displaying few out of numerous relationships.
critical path composed of fewer activities.
Optimistic estimation of the duration of task completion.
Overestimate the pr
probably show similar pattern(low other income and high other expense) or even worse in 2008.
- Overall, both company's level of net earnings is extremely low which means their business is not going well.
Balance Sheet - Common Size
Assets
AMR Corp Korean Air AMR Corp Korean Air
2007 2007 2006 2006
Cash 0.5% 4.5% 0.4% 3.3%
Accounts Receivable 3.6% 4.6% 3.4% 4.4%
Short-term Inves
1.Background to the problem
B. Secondary data analysis
-디카 수요는 계속 늘어날 전망
-계속적으로 그 종류와 성능, 디자인 등이 다양화 되고 있는 추세
-대부분의 브랜드의 판매율 간의 차이가 별로 없는 것으로 나타남
-브랜드간의 선호도, 인지도는 많은 차이가 있는 것으로 나타남
C. Interview wi
probably won't see suppliers starting to offer flight service on top of building airlines.
ㆍThreat of Buyers. The bargaining power of buyers in the airline industry is both high and low. For those who are price sensitive, they easily switch from one airplane to another, only considering the price. What makes the power of buyers low is a mileage service, which results in high switching costs.