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Instructions
I want to answer to these questions: 1) What is a Population? a Sampling Frame? A Sample?2) Why sampling ?3) What is the difference between probability sample and non probability sample?a. Give examples of each type of samplesb. To what kind of methods is associated each of the sample techniques4) What is a sample error and a non-sample error?5) Why weighting?I do not want reference.
Answer
Statistical Analysis: Core ConceptsIntroduction Statistical analysis is an important and integral part of virtually all world systems-from physics to biology to finance and economics. Statistical methods are needed to make sure that data collected from surveys and experiment is correctly interpreted. It also helps to ensure that significant relationships and associations are established between the data collected to lower the occurrences of coincidence. Statistical methods help to detect patterns where they are not clear and by doing so, helping in the prediction of natural phenomena such as weather systems and earth movements. This paper is going to expound on some basic concepts of statistics, namely, population, sample and sample frames, types of sampling methods and the use of weightin...
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