Several hundred people were surveyed about their salary and the length of their commute to work. The equation of the line of best fit for the data is y = 1.14x + 1.45 and 0.45. Does each phrase accurately describe the data set?
1) The variables have a strong correlation.
2) The variables have a positive correlation.
3) This study shows that there is no correlation between the length of a person's commute and their salary.
