2025-04-30 00:39
Industrymean and sample variance
#AIImpactOnForex
Mean (μ)*: (5 + 7 + 9) / 3 = 7
- *Deviations*: 5 - 7 = -2, 7 - 7 = 0, 9 - 7 = 2
- *Squared Deviations*: (-2)² = 4, 0² = 0, 2² = 4
- *Population Variance (σ²)*: (4 + 0 + 4) / 3 = 8 / 3 ≈ 2.67
- *Sample Variance (s²)*: (4 + 0 + 4) / (3 - 1) = 8 / 2 = 4
Variance is sensitive to outliers because it squares the deviations, giving more weight to extreme values. Therefore, datasets with significant outliers will have higher variance.
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mean and sample variance
Vietnam | 2025-04-30 00:39#AIImpactOnForex
Mean (μ)*: (5 + 7 + 9) / 3 = 7
- *Deviations*: 5 - 7 = -2, 7 - 7 = 0, 9 - 7 = 2
- *Squared Deviations*: (-2)² = 4, 0² = 0, 2² = 4
- *Population Variance (σ²)*: (4 + 0 + 4) / 3 = 8 / 3 ≈ 2.67
- *Sample Variance (s²)*: (4 + 0 + 4) / (3 - 1) = 8 / 2 = 4
Variance is sensitive to outliers because it squares the deviations, giving more weight to extreme values. Therefore, datasets with significant outliers will have higher variance.
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