Recently I was chatting to a customer about some of the work we would be doing together and she showed me a chart that had what I would call a suspension bridge effect.
I was intrigued and I have recreated it here. Here is the completed file. You can use the starting file here.
You need to use error bars to get this effect. In the video I used the Randbetween() function to generate a set of numbers. I could also have used the Randarray() function.
You can view the video here