THIS USER ASKED 👇

Which quantity is used to generate the error bars on a graph? range median linear correlation standard deviation

THIS IS THE BEST ANSWER 👇

The error bars on a graph are the error or uncertainty of the action being graphed. You can use different statistics to illustrate this deviation or error, so your graph should indicate who is using it.

Of the four options listed, the only valid, frequently used one (you could use, two standard deviations, or a confidence interval) is the standard deviation.

The answer is standard deviation.