How do you write and present research well? 9—show and state what error bars represent
Gregory Scott Patience, Bala Srinivisan, Michel Perrier, Daria C. Boffito, Paul A. Patience · The Canadian Journal of Chemical Engineering · 2016
What do error bars in graphs or uncertainty in variables ( ) represent? [1] (Multiple answers) Standard deviation, Standard error of the mean, Confidence interval, Instrument resolution Maximum and minimum of a range of measurements The correct expression for sample standard deviation is s ; it is for the standard error of the mean and for the confidence interval. Both (d) and (e) are acceptable together with s , , and , but we recommend the confidence interval.