Methods 101: Random Sampling
2:26
YouTubePew Research Center
Methods 101: Random Sampling
The first video in Pew Research Center's "Methods 101" series helps explain random sampling – a concept that lies at the heart of all probability-based survey research – and why it’s important. Pew Research Center is a nonpartisan fact tank that informs the public about the issues, attitudes, and trends shaping America and the world. We ...
已浏览 23万 次2017年5月12日
Sampling Techniques
Define Simple Random Sampling
0:35
Define Simple Random Sampling
YouTubeThe Statisticians
已浏览 430 次2023年6月17日
Simple Random Sampling part 1 | Example of Simple Random Sampling
0:58
Simple Random Sampling part 1 | Example of Simple Random Sampling
YouTubePsychologist Latif Rehmani
已浏览 1155 次2023年4月6日
Geological Exploration Site: Full Process of Drilling Sampling
0:07
Geological Exploration Site: Full Process of Drilling Sampling
YouTubeWROUGHT
已浏览 3.6万 次3 周前
热门视频
Sampling Methods: Simple Random Sampling and More | Introduction to Statistics
6:28
Sampling Methods: Simple Random Sampling and More | Introduction to Statistics
YouTubeChegg
已浏览 6630 次2023年5月17日
Sampling: Simple Random, Convenience, systematic, cluster, stratified - Statistics Help
4:54
Sampling: Simple Random, Convenience, systematic, cluster, stratified - Statistics Help
YouTubeDr Nic's Maths and Stats
已浏览 174.6万 次2012年3月14日
Systematic random sampling | AP Statistics | Khan Academy
4:48
Systematic random sampling | AP Statistics | Khan Academy
YouTubeKhan Academy
已浏览 9.4万 次2020年9月25日
Sampling Bias
Earth's Archives: How Core Samples Reveal Geological History
0:07
Earth's Archives: How Core Samples Reveal Geological History
YouTubeTractor Fox
已浏览 1.9万 次3 周前
Blood Sampling techniques
0:15
Blood Sampling techniques
YouTubePatel HealthCare
已浏览 23.8万 次1 个月前
How to Make SAMPLES Into MODERN HITS - FL Studio Tutorial
1:15
How to Make SAMPLES Into MODERN HITS - FL Studio Tutorial
YouTubeSC TUTS | Music Production
已浏览 1178 次1 个月前