Editing Talk:2713: Data Point
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Isn't there a TIE fighter in the center of the picture? --[[Special:Contributions/162.158.129.80|162.158.129.80]] 11:50, 21 December 2022 (UTC) | Isn't there a TIE fighter in the center of the picture? --[[Special:Contributions/162.158.129.80|162.158.129.80]] 11:50, 21 December 2022 (UTC) | ||
:The usual convention is that whiskers around a solitary point are standard deviations (68% confidence intervals of normal distributions) but if they have perpendicular caps they're properly 95% confidence intervals (two standard deviations, again if the underlying data is normally distributed.) The convention for box-and-whiskers plots are different, where the whiskers are 95% confidence intervals whether they have caps or not, and the boxes are two quartiles (50% confidence intervals), and an off-center designation inside the box, by notches, or by the shape of the box represents the arithmetic mean (the median necessarily always being at the center of the box, which is often designated with a dashed line.) [[Special:Contributions/172.71.158.230|172.71.158.230]] 03:03, 22 December 2022 (UTC) | :The usual convention is that whiskers around a solitary point are standard deviations (68% confidence intervals of normal distributions) but if they have perpendicular caps they're properly 95% confidence intervals (two standard deviations, again if the underlying data is normally distributed.) The convention for box-and-whiskers plots are different, where the whiskers are 95% confidence intervals whether they have caps or not, and the boxes are two quartiles (50% confidence intervals), and an off-center designation inside the box, by notches, or by the shape of the box represents the arithmetic mean (the median necessarily always being at the center of the box, which is often designated with a dashed line.) [[Special:Contributions/172.71.158.230|172.71.158.230]] 03:03, 22 December 2022 (UTC) | ||
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