- That is because the things which happend will not be changed, but the date we estimate is changeable
- There will just be a claser dot line in the graph.
- The union membership percentage, because as the change of the people who were force to work the percentage will be changed.
- As the variaty of the people change, and the percentage will changed.
- The second graph is showing the connection between the year and the percentage of the membership.
- They are the variables not associated.
- The difference between the personal income and the Governor's income in the US
- No, because the incomes of two different people has no connection of each other.
- People are getting more and more money, and Governors can earn more money than normal person.