Question

A process of inserting points between actual plotted data points or extending an actual line of data is called:

Answer 1

A trend line drawn to a set of data implies a pattern that \(should\) continue, which is why we draw the trend line in the first place. If you extend the trend line, you're essentially guessing that the pattern should continue, so you are really "guessing forward" with the data, or \(extrapolating\)