Plz help 100 points
A soccer team scores an average of 11 goals per season. A double number line is drawn to figure out the average number of goals the team scores in 6 seasons. Which of the following statements is true about the diagram?

Both number lines increase by 6.
One number line increases by 1, and the other increases by 6.
One number line increases by 11, and the other increases by 1.
One number line increases by 11, and the other increases by 6.