A Level Physics: Uncertainty and graphs, line of worst fit

If you have found this video useful, a like and a sub would only be fitting! : ) Revising A Level Physics? Check out my revision videos too:    • A Level Physics Revision Videos   A link to my error bars video:    • A Level Physics: Error bars   How can we find the percentage uncertainty of a gradient of a graph using error bars? Music Credit: Anodised from Microsoft Video Editor Chapters: 00:00 Line of Best Fit 01:02 Line of Worst Fit 02:50 Uncertainty in the gradient