Secondary data refers to second-hand information. It is not originally collected and rather obtained from already published or unpublished sources. For example, the address of a person taken from the telephone directory or the phone number of a company taken from Just Dial are secondary data. ...
Classification, Detection and Consequences of Data Error: Evidence from the Human Development Index* We measure and examine data error in health, education and income statistics used to construct the Human Development Index. We identify three sources of da... H Wolff,H Chong,M Auffhammer - 《...
Historical records of transport costs were not collected specifically for the preparation of forecasts, therefore these are secondary data. The Annual Abstract of Statistics is a source of secondary external data. 高顿网校温馨提醒 各位考生,2015年ACCA备考已经开始,为了方便各位学员能更加系统地掌握考试大纲...
In a true experiment, randomization is essential so that the experimenter can infer cause and effect without any bias.Sources of Secondary DataWhile primary data can be collected through questionnaires, depth interview, focus group interviews, case studies, experimentation and observation; The secondary...
Chapter2Sourcesofdata 解析 Data collected by survey for a particular project are a primary data source. Historical records of transport costs were not collected specifically for the preparation of forecasts, therefore these are secondary data. The Annual Abstract of Statistics is a source of seconda...
statisticsVast efforts are put into the collection of statistics relating to religion in today's world. The process of doing so is uncoordinated between scholars and uneven across religious traditions, but nonetheless a wealth of data is available for religious demographic analysis. The data fall ...
In marketing and research, data collection is one of the most important functions used to later analyze results and determine the best course of action for an objective. Without the collection of data such as concrete statistics and evidence about a certain topic from valid and reliable sour...
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Structured questionnaire was the instrument used in collecting data. Out of 300 copies of the questionnaire distributed to the respondents, 280(93.3%) were duly completed and returned. Descriptive statistics involving frequency count and percentages was employed to analyze data. The study established ...