Best-fit lines can also be called: Linear regression Trend linesQuestions that ask you to draw a best fit line or trend in the data usually do not want you to "connect the dots". Instead, the question is
Constructing a best fit line
Scatter diagram and line of best fit from linear regression analysis of
Pololu Carrier with Sharp GP2Y0A60SZLF Analog Distance Sensor 10
Sharp GP2Y0A02YK0F 20-150Cm Long Ranges Infrared Proximity Sensor
Approximating the Equation of a Line of Best Fit and Making Predictions, Algebra
regression - Line of best fit does not look like a good fit. Why? - Cross Validated
GP2Y0A41SK0F 4-30cm IR Distance Sensor - Mikroelectron
Creating the Best Fit Line – GeoGebra
Best fit line - Practice problems
Relationships Between Variables - Science Process Skills