企业统计数据质量的实证检验分析

Analysis of Empirical Test Based on the Corporations Data Quality

企业进行决策的重要依据是其所掌握的数据信息,数据质量的好坏直接影响着企业决策的方向.根据2011年全国各省市规模以上企业的15项指标数据,利用K-S检验法验证企业指标数据是否满足对数正态分布规律,且根据判断正态分布异常点的方法对15项指标中的异常数据进行识别.结果表明:2011年全国31个省市规模以上企业的统计数据的准确性和可靠性较好,只有西藏、青海、江苏三省共4个指标未通过检验,需进一步核实未通过检验的指标数据.

The data is the basis of decision-making, and data quality is related to country macro decision-making and enterprise microcosmic decision-making. Based on 15 measures of total amount of 31 provinces, municipal enterprises above designated size will be tested whether obey the lognormal distribution with K-S test method in 2011, and the abnormal data will be identified with the normal distribution of abnormal point identification methods. The results show that ： the statistics of enterprises above designated size is better in accuracy and reliability with 31 provinces, cities in 2011, only in Tibet, Qinghai and Jiangsu province, a total of four in- dicators failed the test.