| 2 added classes/operations | |||
                     
                 | 
                B | SampleDistribution.calculate_proportion() added | |
                     
                 | 
                A | SampleDistribution.calculate_sum_of_squares() added | |
| A | ↘ | F | SampleDistribution.__init__() got worse | 
| Head |      | 
                        
|---|---|
| Base |      |