| ⇢ | A | ProportionDiffTestingUnitTest added | |
| ⇢ | A | MeanDiffTestingUnitTest added |
| ⇢ | B | ProportionDiffTesting.simulate() added | |
| ⇢ | B | ProportionDiffTestingUnitTest.test_student() added | |
| ⇢ | B | ProportionDiffTestingUnitTest.test_normal() added | |
| ⇢ | B | MeanDiffTestingUnitTest.test_normal() added | |
| ⇢ | B | MeanDiffTestingUnitTest.test_student() added | |
| ⇢ | A | ProportionDiffTesting.will_reject() added | |
| ⇢ | A | MeanDiffTesting.will_reject() added | |
| B | ↘ | F | ProportionDiffTesting.__init__() got worse |