When it comes to the word "statistics", everyone is familiar with it, and engineering management is inseparable from statistical knowledge. Data is the most basic core of statistics, reflecting the information expression of the overall quantitative characteristics of social and natural phenomena. Statistics is a science that measures, analyzes and infers the quantitative characteristics of overall phenomena. Comparing the characteristics of statistics and project cost, it is not difficult to find that they are closely related. Let's analyze them one by one: 1. The cost of large-scale projects is not only large in physical scale, but also high in project cost. For statistics, the quantitative type of these projects reflects the overall scale, level, speed, proportion, benefit and trend of the phenomenon through various statistical indicators and index systems. In this way, we can judge the scale of the project and the benefits it will bring in the future by the cost of the project. 2. Individualization of project cost. Any project has a specific purpose, function and scale. Therefore, there are specific requirements for the structure, equipment configuration and interior and exterior decoration of each project, so that the content and physical form of the project have individuality. The same is true of introducing personality characteristics into statistics. In engineering, statistics are carried out for different needs and purposes, which also reflects the individuality of data in the statistical process. 3, the dynamic nature of the project cost, any project has a long construction period, and due to the influence of unforeseen factors. Therefore, the uncertain factors of the project cost in the whole construction process are dynamic, and the actual amount can only be finally determined after the completion acceptance. Statistical characteristics-the randomness of data is also because the randomness of data is inevitable. Often, because we have many research objects, it is impossible to investigate all the data, and we can only extract some to study. Because we extracted a part, it must be accidental. 4. Compatibility of project cost is equally important. This compatibility has two meanings, namely universality and complexity. The ultimate goal of the project is profit, and the composition of profit is also very complicated. It is this universality that promotes the development of statistics and provides a useful place for the application of statistics. Statistics has almost penetrated into the field of human activities, including both productivity and production relations; There are both economic bases and superstructures. Let's discuss the role of statistics in the bidding of construction enterprises: 1. The role of statistics in bidding of construction enterprises. Bidding is an important first step for the construction party to obtain the project. Before bidding, we had almost no bidding information. How to use the limited information in hand to objectively evaluate the economic and financial indicators of this project and avoid losses caused by improper bidding? This requires collecting information of similar projects with statistical knowledge, and then objectively analyzing the projects to be bid. Secondly, if you choose to bid for this project, the most important thing is to bid. At the end of each year, there will be a bidding base price cost chart, which is a statistical result. Second, the role of statistics in the construction process. There will be many unexpected situations in the construction, such as material price increase, budget settlement price change, engineering quantity change and so on. The most important thing is to collect the "raw data" in the project. Building activity is an important stage and a complicated matter. The summary and analysis of raw data such as labor, materials, machine-team consumption, expenses and expenses in the construction process can strictly supervise and limit various expenses, correct deviations in time, and provide theoretical basis for similar projects in the future. On the other hand, raw materials are also very important to Party A. Raw materials should be signed by both Party A and the construction party, which is convenient for safeguarding the legitimate rights and interests of both parties. Third, the role of statistics in quality control Quality is the basic purpose for any enterprise to gain a foothold in the market. There should be clear quality objectives before construction, so as to manage the project with goals and objectives. The project quality depends not only on the quality consciousness of the construction subject or some management system, but also on statistical data. In the process of construction, it is necessary to carry out regular inspection and irregular temporary spot check, so as to facilitate the supervision work, compare the actual situation with the expected goal, whether there is deviation, whether the deviation is within a reasonable range and whether it needs rectification. These are inseparable from statistics. Without statistical data, there is no quality control. Fourth, the role of statistics in project cost control Benefit profit is the ultimate goal of every enterprise. Due to the long construction period, it is easy to increase the construction cost due to the rise of labor, materials and machinery or various uncertain factors. Therefore, it is very necessary to control the project cost. Engineering cost control is a systematic project, which runs through the whole business process of an enterprise. It is the scale to measure the production consumption and supply of an enterprise and the basis to determine the price. The project cost reflects the comprehensive level of enterprise management and is the key to improve the competitiveness, adaptability and pioneering ability of enterprises. First, make a plan according to the actual situation of the project and the statistical data of previous projects. Secondly, after the completion of the current construction task, the number of labor, materials, machinery and completed quantity used in the current period should be counted in time, and analyzed and compared. Due to the huge amount of analysis, some statistical methods and means must be used. To sum up, statistics plays a vital role in construction project management, and its generality, quantity, objectivity, randomness and extensiveness are reflected in the abundance, individuality and compatibility of project cost management. Its statistical principle, basic theory, specific statistical methods and statistical means are also indispensable in the bidding, construction management process, project quality control and cost control of construction projects.
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