Cumulative shares divide each cumulative count by the total defect count.

highlighted = computed this step

First cumulative share

The first cumulative share is 2/5.

first share=2/5\text{first share}=2/5
Pareto tableThe table exposes exact counts, cumulative counts, and cumulative shares.Pareto tablecountcum countcum shareScratch12122/5Dent8202/3Label5255/6Seal5301

All cumulative shares

The cumulative shares are 2/5, 2/3, 5/6, and 1.

2/5, 2/3, 5/6, 12/5,\ 2/3,\ 5/6,\ 1
Pareto tableThe table exposes exact counts, cumulative counts, and cumulative shares.Pareto tablecountcum countcum shareScratch12122/5Dent8202/3Label5255/6Seal5301