Titlebook: Statistics for Non-Statisticians; Birger Stjernholm Madsen Textbook 2016Latest edition Springer-Verlag Berlin Heidelberg 2016 Data Descrip

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Analysis of Qualitative Data,In this chapter we look at ., i.e., data values correspond to groups in the population. One particularly important type of qualitative data is . with only two groups (“alternatives”).

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Error Sources and Planning,Increasing the size of the sample (or experiment) can reduce the random errors. This can be used in the planning stages to determine an appropriate size of the sample (or experiment). We also discuss various sources of systematic errors in sample surveys and give an overview of the principles of sample selection.

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Assessment of Relationship,In many different disciplines you need to assess, . between two variables. This can be in administration, social sciences, economics, industry, and science. We study some techniques to assess a relationship and assess whether an apparent relationship is real or just a statistical coincidence.

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