Speedy Publishing 
Statistics (Parameters, Variables, Intervals, Proportions) (Speedy Study Guides) 

Did you ever want to know the average time it takes to get somewhere based on your cell tower location? Well with statistics, you can calculate things such as intervals, variables, parameters, and others by virtue of using this great math skill. Statistics is concerned with using real world data to effect change in an organization’s life cycle. Having a reference guide provides you with the tools needed to solve problems related to customer service, customer retention rates, average sale interval of a particular product, or other business needs for your company.

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