Abstract
In this paper, we derive possibilistic mean, possibilistic variance, and possibilistic covariance of (m, n)-trapezoidal fuzzy numbers. Results for ordinary trapezoidal and triangular fuzzy numbers (both non-symmetric and symmetric) are derived as special cases. Furthermore, examples are provided through which we discuss weighted possibilistic moments for (m, n)-trapezoidal fuzzy numbers, using some specific weighting function.
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