From 9505505e1fe02e89ca56193b657037e5cad629fc Mon Sep 17 00:00:00 2001 From: zleyyij Date: Thu, 18 Jan 2024 14:37:02 -0700 Subject: [PATCH] vault backup: 2024-01-18 14:37:02 --- education/statistics/Sampling.md | 3 +++ 1 file changed, 3 insertions(+) diff --git a/education/statistics/Sampling.md b/education/statistics/Sampling.md index 6360798..0f2bc21 100644 --- a/education/statistics/Sampling.md +++ b/education/statistics/Sampling.md @@ -15,12 +15,15 @@ In the above example: - The *parameter* was *6%* - The *sample* was *1004 taxpayers* - The *statistic* was *13%* + +An ideal sample will represent the whole population. ## Sampling | Sample Type | Description | | ---- | ---- | | Simple random | Advantages:
- Procedure is impartial
- Law of Averages
Disadvantages
- Not always possible
- Can be very expensive | | Quota Sampling | Attempts to get certain proportions based on key characteristics. Quota sampling doesn't guarantee that the selection is an accurate representation. | | Cluster Sampling | Divide population into subgroups, randomly select a subgroup, and sample all of the subjects in that group | +| Convenience | Sampling done near to the researcher because it's easier. | ## Simple Random Samples ## Bias