The data collection process is the oldest and statistics functions, which include a number of activ

It aims to integrate and summarize numerical data in order to convert it from a mere km from numbers to form or another image can be understood and absorbed as soon as look and most of the methods elempleo used measures of the NZ Central Ah, measures of dispersion and measures of correlation and regression and stop the use of any of them on the quality of the data and the level of measurement, whether nominally or descriptive, or arrangement, or factional, or ratio. (1)
Some scholars believe that the job statistics are limited to addressing the abundant data set collected by the researcher with a view to draw a number of statistical tables and displayed in a number of forms, charts and so on about what we see in the consumption and production of population elempleo statistics and the other one may calculate the statistical operations spin on the whole about finding elempleo Averages elempleo and degrees of dispersion in the data collected by the researchers, but in the fact that what we have is only one aspect of the statistics of a descriptive side and this is called the statistical operations carried this function term descriptive statistics and this is used descriptive statistics to organize, summarize and describe private information sample of samples it is a specific sample of workers can average production, which account they produce and account work rate among those workers and the rate of increase in wages and all these metrics descriptive purely do not benefit in itself, in the conclusion or prediction, but describes how the spread of the data that have been obtained from Workers subject of research (2)
The job description of the primary elempleo functions of the statistics used in touch Facts different phenomena elempleo (social, economic, geographic, etc. ..) and using the analysis method of statistical data become easily elempleo possible to identify the phenomenon studied properties even through the graphs representing the virtual data process facilitates and simplifies determine the general characteristics of the phenomenon and trends.
In addition to the description in the census depends on the use of benchmarks and indicators of statistical fact-finding and determine the general characteristics of the distribution of the phenomenon elempleo without access to the data or the results of the basic Astdalalh private groups to which they belong phenomenon (3).
The data collection process is the oldest and statistics functions, which include a number of activities range from just a search by an individual to a search of several hundreds or thousands of different team. And data collection will be a number of methods, depending on the nature of the research elempleo or work, it may be using the library collections or by design experience or systematic observation or cohabitation or by questionnaire or foresight or news between the tests Whatever the case, the data collection may be e what to check all units of the community under study or partial scans (sample).
The data collection elempleo process elempleo is not a separate process for the other functions of statistics, there is a close link - aim and one which is to obtain information elempleo or the results - and that will be using the standards and methods of data description - after collected - and whether this particular sample of any part of the community data, the description of society requires the use of extrapolation methods .. and these standards and methods have the conditions and requirements must be observed and provided when collecting data and using appropriate experimental design or design suitable choice questionnaire appropriate sampling method and the right size for the sample and the observance elempleo of the provision of appropriate measuring variables level .. etc. The data collected must be trustworthy so that the results derived from them are trustworthy. Ie should the validity and reliability Validity and reliability available to determine that the choice is often using statistical methods. (4)
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