Lecture Notes for Introductory Statistics, 9th Edition

Lecture Notes for Introductory Statistics, 9th Edition is your perfect study companion, summarizing complex topics from class lectures in an easy-to-follow format.

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Chapter1IntroductionUse of TechnologyStatistics is a field that deals withsets ofdata.After the data is collected,it needs to be organizedand interpreted.There is a limit to how much of thework can be doneeffectively without thehelp ofsome type of technology.The use oftechnology, such as a calculator with enhancedstatistical functions,cantake care of most of the details of our work so that wecan spend moretime focusing on what we are doing and how to interprettheresults.Technology can help us not only to store and manipulate data, but also tovisualize what the datais trying to tell us.As we work withacalculator, we will be able to:Enter, revise, and store data.Perform statistical computations on stored dataor entered statistics.Draw graphs (often called plots)based on the data,to help us to understand what usefulinformation can beinferred from thatdata.Advantages of Using a CalculatorThere are many good statistical software packages available, such as MINITAB,SAS, and SPSS.Excel also contains many built-instatisticalfunctions,as wellas supporting plugins for statisticalwork.Still, for the student starting to learn statistics, it’s hard to beat the advantagesof using apowerful hand-held calculator.It is portable and easy to use in many different work environments.It has battery power that lasts far longer than that of a laptop computer.It is less expensive than a computer.It is less expensive than a statistical softwarepackage.

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A Pathway To Introductory Statistic...

Lecture Notes for Introductory Statistics, 9th Edition

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