تباين
في الإحصاء التباين Variance لمتغير عشوائي
حيث حتى
تعميمات
Unbiased estimate for expected error in the mean of A for a sample of M data points with sample bias coefficient ρ. The log-log slope -½ line for ρ=0 is the unbiased standard error.
انظر أيضاً
- Algorithms for calculating variance
- An inequality on location and scale parameters
- Covariance
- Chebyshev's inequality
- Estimation of covariance matrices
- Explained variance & unexplained variance
- Kurtosis
- Mean absolute error
- Qualitative variation
- Sample mean and covariance
- Semivariance
- Skewness
- Standard deviation
- True variance
- Weighted variance
المصادر
وصلات خارجية
- A Guide to Understanding & Calculating Variance
- Fisher's original paper (pdf format)
- A tutorial on Analysis of Variance devised for first-year Oxford University students
نطقب:بذرة احصاء واحتمالات
