q2_4.py

test = {   'name': 'q2_4',
    'points': None,
    'suites': [   {   'cases': [   {'code': '>>> np.isclose(test_statistic(0.6, 0.5) + test_statistic(0.1, 0.4), 0.4)\nTrue', 'hidden': False, 'locked': False},
                                   {'code': '>>> np.isclose(test_statistic(0.99, 0.43), 0.56)\nTrue', 'hidden': False, 'locked': False}],
                      'scored': True,
                      'setup': '',
                      'teardown': '',
                      'type': 'doctest'}]}