Mathematical Problems in Engineering / 2019 / Article / Tab 3

Research Article

Quantitative Risk Evaluation Model of the Multilevel Complex Structure Hierarchical System in the Petrochemical Industry

Table 3

A scale reference table of the .

Frequency description of the OFQuantitative interpretation of the OFQuantitative scale score

Very high≥1/210
-1/39
High1/88
-1/207
Moderate1/806
-1/4005
-1/20004
Low1/15,0003
-1/150,0002
Very low1/1,500,0001