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Average Per-Pupil Expenditures for the 10 Percent of School Districts State X That Had the Highest Expenditures (Group H) Compared to the 10 Percent of School Districts That had the Lowest Expenditures (Group L)
For the 1986-87 school year, the ratio of the average per-pupil expenditures or the Group L districts to the average for the Group H districts was closest to
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当前版本由 笑笑笑笑笑 更新于2024-07-26 17:19:22 感谢由 笑笑笑笑笑 对此题目的解答所做出的贡献。
86~87年L区大约2100，H区大约3500，比值大约是2100/3500=3/5
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