From 0fd6013b1224befef7ab8d514c3198002dd1f00f Mon Sep 17 00:00:00 2001 From: zleyyij Date: Tue, 12 Dec 2023 14:33:14 -0700 Subject: [PATCH] vault backup: 2023-12-12 14:33:14 --- education/statistics/Measurement Error.md | 5 +++-- education/statistics/TODO.md | 2 ++ 2 files changed, 5 insertions(+), 2 deletions(-) create mode 100644 education/statistics/TODO.md diff --git a/education/statistics/Measurement Error.md b/education/statistics/Measurement Error.md index a6848ea..aef63e9 100644 --- a/education/statistics/Measurement Error.md +++ b/education/statistics/Measurement Error.md @@ -13,9 +13,10 @@ $$ IndividualMeasurement = ExactValue + ChanceError $$ # Outliers Histograms of repeated measurements tend to follow the normal curve. -According to the empirical rule, 99.7% of such measurements should be within 3σ of the exact value. +According to the empirical rule, 99.7% of such measurements should be +-3σ of the exact value. Measurements that are not within 3σ are considered *outliers*. + +Removing outliers reduces σ. -$$ $ # Terminology | Term | Definition | | -- | -- | diff --git a/education/statistics/TODO.md b/education/statistics/TODO.md new file mode 100644 index 0000000..3b87a9f --- /dev/null +++ b/education/statistics/TODO.md @@ -0,0 +1,2 @@ +(Chapter 7, STAT 1040) +