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My guess is that 19 is when a cohort is 100% out of school. If you cut off at 18 you'd miss many highschool seniors, and therefore lots of school shooting death
by trilbyglens 4y ago
My guess is that 19 is when a cohort is 100% out of school. If you cut off at 18 you'd miss many highschool seniors, and therefore lots of school shooting deaths.
- Philorandroid 4y agoThat would require an incredible slant towards exclusively 18-year-olds being killed in school shootings, and an exceptional overestimation of just how many school shooting deaths there are per capita for it to make that kind of difference.