Below is a set of sample data containing the ages and Depression scores (0-100, where 100 means most Depressed) of 8 people.

Age	DEP
25	97
18	44
25	75
38	89
55	38
48	54
40	80
45	60

1. Are these two variables related? If so, explain how they are related (to what extent and direction? HINT: use statistical evidence to support your answer)

2. Predict the Depression score of a 42-year-old.

3. Predict the age of a person who has a Depression score of 100.

4. Is this a good prediction? Why or why not (hint: use statistics to support your answer)?