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Ch1 sec 1-2 - MAT150StatisticsI Lesson1 Mr.Horwitz...

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MAT-150 Statistics I Lesson 1 Mr. Horwitz September 8, 2010
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What is this course about? What is statistics? Why should I study statistics? How can studying statistics help me in my  profession?
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The Truth You are exposed to statistics everyday. 4 of 5 dentists surveyed Tide vs. The “leading brand” The latest poll shows Obama leading McCain… All careers have some statistics. Healthcare – Smoking causes lung cancer Economics – US coal production which increased my  2.5% in 2006, is expected to fall by 3.1% in 2007.
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Where to begin? Any new type of math has its own vocabulary Once we learn the vocabulary then we can apply the  concepts to real world situations.  
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What is Statistics? Statistics is the science of collecting, organizing,  analyzing, and interpreting  data  in order to make  decisions. Data – consist of information coming from  observations, counts, measurements, or responses. A collection of data values forms a  data set .
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