| ⇢ | A | ProportionTestingUnitTest added |
| ⇢ | A | ProportionTesting.simulate() added | |
| ⇢ | A | ProportionTestingUnitTest.test_proportion_simulati... added | |
| ⇢ | A | ProportionTestingUnitTest.test_proportion_normal() added | |
| ⇢ | A | ProportionTesting.will_reject() added | |
| A | ↘ | B | MeanDiffTesting.__init__() got worse |
| B | ↘ | C | ProportionTesting.__init__() got worse |