def test_variance_larger_than_standard_deviation(self):
        self.assertFalseOnAllArrayTypes(
            variance_larger_than_standard_deviation, [-1, -1, 1, 1, 1]
        )
        self.assertTrueOnAllArrayTypes(
            variance_larger_than_standard_deviation, [-1, -1, 1, 1, 2]
        )