Sorry I was a bit unclear. If every district is decided by 50% but some are 75-25 one way and some are 25-75 the other way, the efficiency gap is 0. If all of t

Sorry I was a bit unclear. If every district is decided by 50% but some are 75-25 one way and some are 25-75 the other way, the efficiency gap is 0. If all of them are 75-25 the same way, there will be a large efficiency gap.