@classmethod
    def set_z_value(cls, percentage):
        cls.__z_score = st.norm.ppf(percentage / 100.)
Calculates the t-obtained for the independent samples T-test on ONE group
dataset/ETHPy150Open grafos-ml/test.fm/src/testfm/evaluation/parameter_tuning.py/ParameterTuning.set_z_value--crossover with--dataset/ETHPy150Open radlab/sparrow/src/main/python/third_party/stats.py/lttest_1samp