Trend line can refer to:
- Linear regression in mathematics.
- Trend line (technical analysis), a tool in technical analysis.
Famous quotes containing the word line:
“Next to the originator of a good sentence is the first quoter of it. Many will read the book before one thinks of quoting a passage. As soon as he has done this, that line will be quoted east and west.”
—Ralph Waldo Emerson (1803–1882)