Weighted average changevery hardFree question
Weighted average change Numerical Reasoning Question
| Holding £m | P1 % | P2 % |
|---|---|---|
| 20 | 5 | 7 |
| 10 | 2 | 4 |
By what percentage did the portfolio's weighted-average return change from period 1 to period 2?
Show worked solution
Compute the weighted average for each period first, then the change between them — and mind points vs percent. The correct answer is 50.0. Traps to avoid: 57.10 comes from the "unweighted change" error; 2.0 comes from the "absolute change" error; -50.0 comes from the "sign flipped" error; 33.30 comes from the "wrong base" error.
The wrong answers here have names
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