December 2012
Beginner
269 pages
5h 31m
English
Content preview from A Course on Statistics for FinanceBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 1
Review of Basic Statistics
1.1 What Is Statistics?
This chapter is a review of basic statistics. It begins with a discussion of the nature of data, variables, and statistical analysis. Then, in view of the fact that this book is mainly for a second course on statistics, the chapter proceeds with a few nonelementary items.
1.1.1 Data Are Observations
Data result from the observation of one or more variables. In the context of statistics, a variable represents a characteristic or property that can be observed or measured. Variables may may be observed on a number of occasions, or for a number of individuals (or for a number of individuals on a number of occasions).
1.1.2 Statistics Are Descriptions; Statistics Is Methods
Statistics ( ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.