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计划生育是我国国策,少生子女多栽树是林区职工一句时髦的口头禅,这表征着林区新风尚。计划生育工作搞得好,关切着整个林场系统优化。本文用统计上的比例趋势分析,对小叶(山东)林场计划生育诸指标进行趋势性检验,藉以揭示其动态规律性。比例趋势检验是用于检验频率趋势性变化的一种数理统计方法,表1给出模式数据表格
Family planning is our country’s national policy, with fewer children and more trees is a fashionable mantra for forest workers, which represents the new trend of forest. Family planning work well, concerned about the entire forest system optimization. In this paper, statistical analysis of the trend of proportion, the lobular (Shandong) farm family planning indicators of the trend test, in order to reveal its dynamic regularity. Proportional trend test is a mathematical statistical method used to test the trend of frequency trend. Table 1 shows the pattern data table