- a) It is acceptable because the comparison being made is how accurate the estimate was, so the explanation for any variation in guesses is how different the estimate was from the actual date.
- b) All of the dots for bot estimate and real would be in the exact same spots.

- a) I used union participation because that number is meant to explain a decreasing or increasing trend in strikes and lockouts.
- b) The lower the union membership percentage, the fewer strikes and lockouts occur.
- c) The second plot shows the same information on different axes, so the association would imply that as the number of strikes and lockouts decreases, union membership decreases.
- d) See answer to question c.

- a) The graph helps to express a comparison between the per capita income of the state and the salary of the governor of that state.
- b) The scatterplot could help to show whether or not there is a correlation between the 2 sets of data, which there does not appear to be.

- a) Yes, the states that have the higher per capita incomes seem to have governors with higher salary.\
- b) There are no points that stand out. Back