From 77a2b9bb60deb87e3019f631e8eeec6fbdcfe9b9 Mon Sep 17 00:00:00 2001 From: zleyyij Date: Tue, 19 Dec 2023 13:55:29 -0700 Subject: [PATCH] vault backup: 2023-12-19 13:55:29 --- education/statistics/Correlation and Regression.md | 1 + 1 file changed, 1 insertion(+) diff --git a/education/statistics/Correlation and Regression.md b/education/statistics/Correlation and Regression.md index fcaeb68..ae98578 100644 --- a/education/statistics/Correlation and Regression.md +++ b/education/statistics/Correlation and Regression.md @@ -82,6 +82,7 @@ Given a scatter diagram where the average of each set lies on the point $(75, 70 ### The Regression Line/Least Squared Regression Line (LSRL) - This line has a more moderate slope than the SD line. it does not go through the peaks of the "football" +- Predictions can only be made if the data displays a linear association (is a football shape). - The regression line is *used to predict* the y variable when the x variable is given - In regression, the $x$ variable is the known variable, and $y$ is the value being solved for. - The regression line goes through the point of averages, and can be positive or negative