Chap001 - 1-1Chapter OneWhat is Statistics?What is...

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Unformatted text preview: 1-1Chapter OneWhat is Statistics?What is Statistics?GOALSWhen you have completed this chapter, you will be able to:ONEUnderstand why we study statistics.TWOExplain what is meant by descriptive statistics and inferential statistics.THREEDistinguish between a qualitative variable and a quantitative variable.FOURDistinguish between a discrete variable and a continuous variable.FIVEDistinguish among the nominal, ordinal, interval, and ratio levels of measurement.SIXDefine the terms mutually exclusive and exhaustive.1-2What is Meant by Statistics?What is Meant by Statistics?Statistics:is the science of collecting,organizing, presenting, analyzing,and interpreting numerical data toassist in making more effectivedecisions.1-3Who Uses Statistics?Who Uses Statistics?Statistical techniques are used extensively by marketing, accounting, quality control, consumers, professional sports people, hospital administrators, educators, politicians, physicians, etc...1-4Types of StatisticsTypes of StatisticsDescriptive Statistics: Methods of organizing, summarizing, and presenting data in an informative way....
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Chap001 - 1-1Chapter OneWhat is Statistics?What is...

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