From b14b67e0ad6216938d66f3f3fdc953fb1074f0f2 Mon Sep 17 00:00:00 2001 From: zleyyij Date: Thu, 18 Jan 2024 14:21:30 -0700 Subject: [PATCH] vault backup: 2024-01-18 14:21:30 --- education/statistics/Sampling.md | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/education/statistics/Sampling.md b/education/statistics/Sampling.md index b456f91..438926c 100644 --- a/education/statistics/Sampling.md +++ b/education/statistics/Sampling.md @@ -22,4 +22,11 @@ Advantages: - Law of Averages Disadvantages - Not always possible -- Can be very expensive \ No newline at end of file +- Can be very expensive + +## Bias +| Bias Type | Description | +| ---- | ---- | +| Selection | When the procedure that selects the sample is biased | +| Non-Response | Those that don't respond to a survey may have different characteristics than those that do respond | +| | |