Jaroslav Hájek studied statistical and insurance engineering at the Faculty of Special Sciences of the Czech Technical University in Prague and in 1950 he successfully completed this study by obtaining an engineering degree.
for the paper Contributions to the theory of statistical estimation, the supervisor of this thesis was Josef Novák.
In 1973, he was awarded the Klement Gottwald State Prize for his work on the asymptotic theory of ordinal tests.
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