Basic Concepts in Statistics

Document Type:Coursework

Subject Area:Statistics

Document 1

It is important to note that statistics are also used in making valid comparisons and helps in predicting the outcomes of selected decisions (Wathen et al. One of the major purposes of statistics is that it helps us in understanding and describing certain phenomena in the world and draw conclusions that are reliable about the phenomena. Definition of the two primary types of statistics To generate reliable information from data for decision making, we normally use either inferential or descriptive statistics. Descriptive statistics describe the relationship that exists between population or sample variables. It summarizes data in form of median, mode, and means (Wathen et al. Types of levels of measurements Data is usually classified according to four levels of measurement.

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