2016 · Q94
Supposexᵢ = λⁱ for 0 ≤ i ≤ 10, where λ > 1. Which one of the following is correct?
Elementary MathematicsStatistics
- AAM < Median
- BGM < Median
- CGM = Median
- DAM = Median
Explanation
The 11 terms form a geometric progression. The median is the 6th term, λ⁵. The geometric mean is λ^{(0+1+…+10)/11} = λ⁵. Hence GM = Median, option C.