Скачать или смотреть What is Standard Deviation?

This video will help you gain a deeper understanding of what does standard deviation mean with real-world examples, where the formula came from, the difference between population vs. sample standard deviation and some important properties of standard deviation.

0:00 what is standard deviation?
1:07 calculate the standard deviation given a set of data
6:05 standard deviation formulas
7:21 use StatCrunch to find the standard deviation
7:58 properties of standard deviation

Other important Statistic vocabulary:
1. Population vs. Sample:    • Population vs  Sample  
2. Statistical vs. Practical Significance:    • Population vs  Sample  
3. Parameter vs. Statistic:    • Parameter vs Statistics  
4. Quantitative Data: discrete vs. continuous:    • Quantitative Data: Discrete vs Continuous  
5. Levels of Measurement (Nominal, Ordinal, Interval, Ratio):    • 4 Levels of Measurement: Nominal, Ordinal,...  
6. Experiment vs. Observational Studies:    • Experimental vs Observational Studies  
7. Sampling Methods: Random, Systematic, Convenience, Cluster, Stratified, Multi-Stage:    • Sampling Methods Explained: Random, System...  
8. Range Rule of Thumb:    • What is Range Rule of Thumb?  
9. Empirical Rule (68-95-99.7):    • What is the Empirical Rule (68-95-99.7)?  
10. The Coefficient of Variation:    • What is the Coefficient of Variation (CV)?  
11. Z-Score:    • How to Find and Interpret z-score  

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