Chapter 01 - Picturing Distributions with Graphs - Chapter 1 Picturing Distributions with Graphs STAT 1450 1.0 Introduction Connecting this course to

Chapter 01 - Picturing Distributions with Graphs - Chapter...

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Chapter 1: Picturing Distributions with Graphs STAT 1450
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Connecting this course to your current knowledge of Statistics. Statistics is about thinking critically. By becoming statistically literate, you will learn common statistical terms and their uses. Sound statistical literacy, thinking, and reasoning will help you challenge and resolve the veracity of certain claims. 1.0 Introduction
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Connecting this course to your current knowledge of Statistics. In this course you will learn that doing statistics is a process of questioning whether the methods we use are appropriate (using graphical displays and checking conditions, doing any necessary calculations (mechanics), and communicating your results in context). 1.0 Introduction
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Connecting this course to your current knowledge of Statistics. What is the discipline of statistics? The authors define it as “the science of data.” I’d also like to include “the science of collecting, organizing, analyzing and interpreting data.” Data are numbers with a context, and we must understand this context to make sense of the data we are presented with. 1.0 Introduction
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Connecting this chapter to your current knowledge of Statistics. In this chapter we’ll look at a few practical situations. Can we use graphs of data to estimate: The typical cost of a birthday present? The type of shoe that is most common in someone’s closet? (or in our classroom) 1.0 Introduction
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1.1 Variables In a study, we collect information—data—from individuals. Individuals can be people, animals, plants, or any other objects of interest . A variable is a characteristic that differs among individuals in a population or in a sample. 1.1 Variables
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1.1 Variables When planning a statistical study or exploring data provided from someone else’s work, ask the following questions: 1.Who?What individualsdo the data describe? 2.What?How many variablesdo the data contain? 3.Where?Does the location seem consistent with the findings? 4.When?Could the results have been impacted by a historic event? 5.Why? What purpose do the data have?
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