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Essay on Uses of Statistical Information in Nursing
As the context of health care is changing due to the pharmaceutical services and technological advances, nurses and other health care professionals need to be prepared to respond in knowledgeable and practical ways. Health information is very often explained in statistical terms for making it concise and understandable. Statistics plays a vitally important role in the research. Statistics help to answer important research questions and it is the answers to such questions that further our understanding of the field and provide for academic study. It is required the researcher to have an understanding of what tools are suitable for a particular research study. It is essential for healthcare professionals to have a basic understanding of basic concepts of statistics as it enables them to read and evaluate reports and other literature and to take independent research investigations by selecting the most appropriate statistical test for their problems. The purpose of analyzing data in a study is to describe the data in meaningful terms.
Depending on the kinds of variables identified (nominal, ordinal, interval, and ratio) and the design of particular study, a number of statistical techniques is available to analyze data. There are two approaches to the statistical analysis of data the descriptive approach and inferential approach. Descriptive statistics convert data into picture of the information that is readily understandable. The inferential approach helps to decide whether the outcome of the study is a result of factors planned within design of the study or determined by chance. The two approaches are often used sequentially in that first data are described with descriptive statistics, and then additional statistical manipulations are done to make inferences about the likelihood that the outcome the outcome was due to chance through inferential statistics..................
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