The Basics of Statistical Inference
Statistics is a branch of mathematics that focuses on the collection, presentation, and analysis of quantitative information. Generally speaking, there are two kinds of statistics: descriptive and inferential. Descriptive statistics summarize information; examples include averages, medians, minimums and maximums, percentages, charts, and graphs. Descriptive statistics are used to describe what is going on in the data.
Inferential statistics is concerned with drawing conclusions from data. An example that most people are familiar with is an opinion poll. The researcher selects a subgroup of people from the general ...
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