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CFA Level II: Formulas Exam With 100% Correct Answers
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105

August 2025

2025/2026

A+
Slope Coefficient (b̂1) for the Regression Line - CORRECT ANSWERDescribes the change in Y for a one-unit change in X. It can be positive, negative, or zero, depending on the relationship between the regression variables. The slope term is calculated as: b̂1 = Cov(xy)/(σ^2)x Durbin-Watson (DW) Statistic - CORRECT ANSWERDW = ∑t = 2T(ε^t−ε^t−1)2∑t=1Tε^t2 OR, if the sample size is very large: **DW ≈ 2(1 − ρ)**-->This is more likely on test Where: ε^t = residua...
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