ch1 - Ch 1 WhatisStatistics?...

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1 Ch 1 What is Statistics? Statistics is a way of getting information  from data. Data Statistics Information Data:   Facts, especially  numerical facts, collected  together for reference or  information. Information:   Knowledge  communicated concerning  some particular fact. Statistics is a  tool  for creating  new understanding  from data.
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2 Example : Stats Anxiety… An EBA student is anxious about his/her statistics course, since (s)he  heard the course is difficult. The professor provides previous  semesters’ grades to the student. What can be discerned from this  list of numbers? Data Statistics Information List of last semester’s marks. 95 89 70 65 78 57 : New information about  the statistics class. Statistic ( summary of list of data ) Class average, Proportion of class receiving A’s Most frequent mark, Distribution of grades, etc.
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3 Two Ways to Do Statistics Descriptive statistics
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ch1 - Ch 1 WhatisStatistics?...

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