Variance and Standard Deviation: Why divide by n-1?
7:04
What is the Coefficient Of Variation?? (+ examples!)
27:17
What are degrees of freedom?!? Seriously.
14:22
Fundamentos de Estadística: Media, Varianza y Desviación Estándar
20:21
Why we divide by n-1 when calculating the sample variance – the proof | unbiased estimator
9:30
Measures of Variability (Range, Standard Deviation, Variance)
1:03:43
Cómo hablar
30:13
Variance: Why n-1? Intuitive explanation of concept and proof (Bessel‘s correction)
21:00