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SQL Server 2017 Developer???s Guide
book

SQL Server 2017 Developer???s Guide

by Dejan Sarka, Miloš Radivojević, William Durkin
March 2018
Intermediate to advanced content levelIntermediate to advanced
816 pages
19h 35m
English
Packt Publishing
Content preview from SQL Server 2017 Developer???s Guide

Introductory statistics

Sometimes, numbers tell us more than pictures. After all, the name descriptive statistics tells you it is about describing something. Descriptive statistics describe a distribution of a variable. Inferential statistics tell you about the associations between variables. There are a plethora of possibilities for introductory statistics in R. However, before calculating the statistical values, let's quickly define some of the most popular measures of descriptive statistics.

The mean is the most common measure for determining the center of a distribution. It is also probably the most abused statistical measure. The mean does not mean anything without the standard deviation or some other measure, and it should never be ...

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Publisher Resources

ISBN: 9781788476195Supplemental Content