From 4d002154b858012b5de4cc5b2c0abc4cbb733aea Mon Sep 17 00:00:00 2001 From: eggy Date: Sat, 26 Sep 2020 14:58:09 -0400 Subject: [PATCH] phys: expand error bar requirements --- docs/sph3u7.md | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/docs/sph3u7.md b/docs/sph3u7.md index fc6d7c4..cf40ea0 100644 --- a/docs/sph3u7.md +++ b/docs/sph3u7.md @@ -123,10 +123,12 @@ See [Dealing with Uncertainties](/resources/g11/physics-uncertainties.pdf) for h ### Error bars -Error bars represent the uncertainty of the data, typically representing that data point's standard deviation, and can be both horizontal or vertical. A data point with uncertain values is written as $(x ± \Delta x, y ± \Delta y)$ +Error bars represent the uncertainty of the data and can be both horizontal or vertical. They are almost always required for both the independent and dependent variables. A data point with uncertain values is written as $(x ± \Delta x, y ± \Delta y)$ (Source: Kognity) +If the error bars of a data point are too small to see, note at the bottom of the graph that error bars are too small to see. + ### Uncertainty of gradient and intercepts !!! note "Definition"