Answer: There are two ways to make money from owning shares of stock: dividends and capital appreciation. Dividends are cash distributions of company profits
Answer: Matched pairs design
Explanation:
A matched pairs design is a type of study used when 2 treaments are present in an experiment. The individuals in the design can be divided into pairs using a blocking variable, and each pair can then be allocated to treatments at random. This is thus a special type of randomized block design.
In this case the blocking variable can be the various urban areas as 1968 is matched against 1972. Each city can be compared based on 2 measurements. From their each individual can be grouped into pairs and allocated to different treatments.
Explanation:
- It encourages people community to post their news
- The news can be posted for a group or to a general public too
- The group or the general public can comment on the news
- The news which is interesting based on the reviews will be given the top priority
Example:
Reddit - A large site with huge number of user
Digg - This is also quite popular and it has different categories of news where the user can view news based on his/her interest.
