Hurry workingon it now. Only answer if you know very important and have to pass. ( I posted a picture of everything. Will Mark Brainliest.

Answer:
Bottom right
Explanation:
It shows the trend of the graph most effectively, this is also called the line of best fit. When making/looking for the line of best fit you want to follow the trend and have as close to the same amount of point on top & bottom of the line.