Answer:
See below for answers and explanations
Step-by-step explanation:
For #1, a negative trend would be going down from left to right, so II would be the best option
For #2, there isn't much change in the relationship, so A is the correct option
For #3, outside temperature and heating bill would show a negative trend as the colder the outside temperature, the heating bill goes up more (and vice versa).
For #4, 15 weeks would be estimated to be between weeks 14 (maybe 38-39 score) and 16 (maybe 48-49 score). So it is best to say about 41 because that's in between
