The scatterplot shows the relationship between two variables, and . A line of best fit is also shown. Which of the following statements is the best interpretation of the -intercept of the line of best fit?
When is 0, the predicted value of is 3.4.
For every 1-unit increase in , the predicted value of increases by 3.4 units.
The average value of is 3.4.
The maximum value of is 3.4.
