- CFA Exams
- CFA Level I Exam
- Study Session 2. Quantitative Methods (1)
- Reading 5. Multiple Regression
- Subject 8. Is R2 Related to Statistical Significance?
CFA Practice Question
Given SSE = 12, SST = 120, n = 32, k = 5, compute adjusted R2.
A. 0.90
B. 0.88
C. 0.073
Explanation: R2 = 1 - SSE/SST = 0.9.
Adjusted R2 = 1 - [(32 - 1)/(32 - 5 - 1)] (1 - R2) = 0.88.
Adjusted R2 = 1 - [(32 - 1)/(32 - 5 - 1)] (1 - R2) = 0.88.
User Contributed Comments 4
User | Comment |
---|---|
yly14 | Can't memorize the formula, just looked for the number slightly lower than R2 of 0.9 |
chriswwu | @yly14 - agree. I did the same. |
sunday128 | Good tip yly14 |
dariorf7 | Is this answer correct? I get 0,78 1) (1-R^2) = 0,19 2) 1 - [(n-1)/(n-k-1)] = 1 - [(32-1)/(32-5-1)] = 1 - (32/26) 3) 1 - [(32/26)x0,19] = 0,78 Someone please can explain? |