Lecture 1 Notes[1]

Lecture 1 Notes[1] - STAT 225 Lecture 1 Notes Statistics...

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STAT 225 Lecture 1 Notes Statistics Applications and Types of Data Data : facts and figures collected, analyzed and summarized for presentation and interpretation. Data Set: all data collected in a particular study Elements : individual entities of a data set Variables : a characteristic of interest for the elements Observations : The set of measurements collected for a particular element Gender Class Miles from Home Credits Ice Cream Student 1 F Fresh 65 18 Chocolate Student 2 M Junior 1,005 12 Vanilla Student 3 M Senior 32 16 Rocky Road The ____________ is the entire spreadsheet full of data. Each student is an ____________ . For a class with 40 people, there will be 40 elements in the data set. The _______________ are gender, class, miles from home. The ___________ are (F, Fresh, 65, 18, Chocolate) for the first element. For a class of 40 students, there will also be 40 sets of observations. Company Ticker Symbol Primary Industry Closing Price (08/20/10) Beta Google GOOG Internet Information Providers 462.02 1.09 Caterpillar CAT Farm and Construction Machinery 68.86 1.82 Boeing BA Aerospace/ Defense 64.6 1.31 British Petroleum BP (plc) Major Integrated Oil & Gas 36.4 1.02 The ____________ is the entire spreadsheet full of data. Each company is an ___________ The ___________ are: Ticker Symbol, Primary Industry, Closing Price, and Beta. The ____________
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Lecture 1 Notes[1] - STAT 225 Lecture 1 Notes Statistics...

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