Cite as: 602 U. S. ____ (2024) 31 KAGAN, J., dissenting measure may be “statistically permissible”—but still is not good enough. Ante, at 26. In the majority’s view, Ragusa should have “account[ed] for” potential variance in precinct turnout by looking to the Biden net vote instead of the Biden total vote. Ante, at 25–26. Now I’ll admit: I’m not a statistician. I can see what the majority is saying, but my inclination would be to seek out other opinions—including from Ragusa himself—about the net-vote approach, and whether it would matter. The problem is I can’t do that here. The theory is the majority’s brainchild, absent from the District Court’s proceedings. The State never asked Ragusa about it, before or during trial. The State’s own expert did not bring it up. The State did not raise it in briefing below. And most important: Nothing in the trial record suggests that adopting the net-vote measure would have made a real difference. The majority, to show you why it might, offers what it calls a “simplified” example. Ante, at 25. For simplified read “fictional”—meaning, not reflective of any actual precinct’s vote. And for simplified, also read “unrepresentative”? To take just one example: Maybe there are some, but I doubt there are many, precincts in which 1,100 of 1,250 voting-age people make it to the polls. See ante, at 26. A number of things about precinct composition and turnout would need to be true for the net-vote/total-vote distinction to make a significant difference to Ragusa’s analysis—and we know none of them. Sure, it’s fun to play armchair statistician. But it’s irresponsible to reverse a trial court’s decision—on clear-error review—based on such hypothesizing. A couple of final attacks fare no better. The majority faults Liu for testing partisan tilt in District 1 with data from the 2018 gubernatorial primaries, rather than the 2020 presidential election. The majority confidently declares that because an off-year primary has a lower turnout, the “[d]ata from [it] is less informative.” Ante, at 28. Liu’s explanation is deemed unworthy of mention. It was that

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