Reduction based on similarity and decision-making

Journal of the Egyptian Mathematical Society

Table 6 Weighed rough membership for X

Objects	Minimum	Maximum	Average	Rough membership μ
x₁	0.0	0.44	0.22	0
x₂	0.0	0.38	0.19	0
x₃	0.0	0.11	0.055	0
x₄	0.0	0.44	0.22	0
x₅	0.0	0.38	0.19	0
x₆	0.0	0.11	0.055	0
x₇	0.0	0.11	0.055	0
x₈	0.0	0.30	0.15	0
x₉	0.10	0.49	0.295	1
x₁₀	0.30	0.49	0.395	1
x₁₁	0.0	0.11	0.055	0
x₁₂	0.08	0.45	0.265	1
x₁₃	0.30	0.49	0.395	\(\frac {1}{2}\)
x₁₄	0.0	0.44	0.22	0
x₁₅	0.0	0.10	0.05	0
x₁₆	0.0	0.30	0.15	0
x₁₇	0.30	0.49	0.395	\(\frac {1}{3}\)
x₁₈	0.08	0.45	0.265	\(\frac {1}{3}\)
x₁₉	0.0	0.45	0.225	0