Using and analyzing regression lines
the regression line modeling the number of push-ups juan does each day is y = 0.631x + 0.0357.
which one doesn't explain the graph correctly?

1. there is a negative correlation between time (in days) and the number of push-ups juan does.

2. juan increases the number of push-ups he does by about 0.631 each day.

3. the response variable is the number of push-ups

4. the explanatory variable is time (days)