Optimization of Subsidy Policy for New Energy Automobile Industry in China Based on an Integrated Fuzzy-AHP-TOPSIS Methodology

Table 7

Critical probit values for different commonly used grade numbers.

Group number	Probit
3	4.00, 6.00
4	3.50, 5.00, 6.50
5	3.20, 4.40, 5.60, 6.80
6	3.00, 4.00, 5.00, 6.00, 7.00
7	2.86, 3.72, 4.57, 5.44, 6.28, 7.14