Provide your best answer for the following question. Give ONLY the answer, no other words or explanation.
For example:

Answer: <most likely answer, as short as possible; not a complete sentence, just the answer!>.

The question is: Scientists recorded the hourly temperature at a weather station for the month of July and want to quickly measure a trend over time in temperature changes. Which of these formats would be the most appropriate representation of the temperature data to quickly measure any trend?
line graph
Line graph.