We have been given a theoretical experiment with data and so on supplied and we need to find the uncertainty of the graph we have been asked to draw.

The two ways we have been asked to do this is either by figuring out the max and min gradients and use these or by the least squares method.

I would just like to learn how to do this. The link they have supplied us to learn this is not active so I thought I might ask here for some guidance.

Many thanks.

Ryan