Variance after trimming extreme values — the lowest and highest `Floor[f n]`
TrimmedVariance[list, f]
TrimmedVariance[list, {f1, f2}]
TrimmedVariance[list]
TrimmedVariance[dist, …]
TrimmedVariance[{1, 2, 3, 4}, 0.25]
→ 1/2TrimmedVariance[{1, 2, 3, 4, 5, 6, 7, 8, 9, 1000}, {0.1, 0.3}]
→ 7/2TrimmedVariance[{1, 2, 3}, 1/3]
→
TrimmedVariance::insffnt: There is insufficient data to proceed with the computation.
TrimmedVariance[{1, 2, 3}, 1/3]