Set-value statistics is a popularization of Classic Statistics and Fuzzy Statistics, which can effectively process uncertainty information. Aiming at the specialty of incertitude and high risk of venture investment, in this paper, a new method of risk evaluation of venture capital based on set-value statistic is put forward, when uncertainty and vagueness are taken into account in expert's judgement, And the degree of credibility of judgement is also researched. Empirical analysis shows that the proposed method can effectively evaluates risk and provides the theoretical decision support for venture capital company.
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