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 Skip Navigation LinksMath Help > Statistics > Introduction

Basic concepts

The population is the entire collection of individuals or measurements about which information is desired.  A sample is a subset of the population that is selected for study.  A statistic is a numerical characteristic of the sample, from which inferences about the population's parameters -- numerical characteristics of the population -- can be drawn.

Types of statistics

The goal of inferential statistics is to use sample statistics to make inference about population parameters.

 

 

Internet references

 

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