Using the method of statistical analysis to evaluate the cash flow of enterprises 运用统计分析方法科学评价企业现金流量
To use a method of statistical analysis to describe the trend of river water quality change in recent 50 years 用统计分析的方法描绘河水水质近50年的变化趋势。
In the face of the nonlinear and non - stationary time series largely existed in natural and social economical phenomena , the traditional method of statistical analysis performed badly 面对自然和社会经济现象中大量存在的非线性、非平稳的复杂时间序列,传统的统计分析方法效果欠佳。
The first phase is the period from the furnace ' s order notification to the first time of measuring temperature with thermocouple , the conventional method of statistical analysis - - regression analytical method for forecasting molten steel , was used 第一阶段是炉次通报至第一次用热电偶测温,采用传统的统计分析方法? ?回归分析法预报钢水温度。第二阶段是热电偶第一次测温至出钢结束。
Drilling footage and cycle were regarded as two independent variables , while the drilling data accomplished by the changqing drilling engineering company were taken as samples , and then those two hypotheses were testified by the method of statistical analysis to set up a drilling cost forecast model with a strong explanation 构建了钻井进尺和钻井周期两个自变量,并以2003年长庆钻井工程总公司完成的钻井数据为样本,运用统计分析方法来验证这两个很设,并构建成本预测模型,该模型的解释力度较强。