Table 6 Collective trapezoid fuzzy linguistic decision matrix R ^∗ (for TFLPWHA operator)

[s_2.39, s_3.59, s_5.37, s_6.38]

[s_2.25, s_3.45, s_5.02, s_6.15]

[s_3.33, s_4.44, s_5.50, s_6.83]

[s_3.29, s_4.29, s_5.29, s_7.00]

[s_2.93, s_4.42, s_5.68, s_6.72]

[s_1.94, s_3.33, s_4.54, s_5.75]

[s_4.00, s_5.18, s_7.12, s_8.03]

[s_3.17, s_4.33, s_6.00, s_7.00]

[s_3.05, s_4.47, s_5.87, s_7.62]

[s_3.03, s_4.63, s_5.64, s_7.00]

[s_1.86, s_4.10, s_5.42, s_6.51]

[s_3.11, s_4.11, s_5.11, s_6.11]

[s_2.50, s_4.93, s_6.57, s_7.95]

[s_3.08, s_4.64, s_6.05, s_7.09]

[s_2.66, s_4.12, s_5.17, s_6.20]

[s_3.82, s_4.82, s_6.19, s_7.19]

[s_1.82, s_3.65, s_5.00, s_6.26]

[s_1.24, s_2.34, s_4.18, s_6.15]

[s_2.56, s_4.38, s_5.40, s_6.42]

[s_3.73, s_4.29, s_5.80, s_7.31]