"A single death is a tragedy, a million deaths is a statistic. "
Sec. 1.2 Notes: Data display VARIABILITY. (Recall: data is a
plural term... use it with the correct verb...or you will lose
credibility.) The "pattern" of the variability is the
distribution. You may display data 1. visually through graphs 2.
by summarizing them numerically, or 3. by describing them
verbally. Every math course strives to encourage mathematical
communication through the same methods...words, pictures, and
symbols. Statistics is no different. It is a good idea to use
more than one descriptive method including tabular (frequency
distribution, and relative and cumulative frequency
distributions) graphical showing overall pattern, center,
spread, shape (symmetric, left/right skewed) and Ponder
this...."Who is baseball's greatest homerun hitter?" This
section will give us the tools we need to analyze data on
potential candidates and formulate a response. To describe a
distribution with numbers we consider shape, center, and spread.
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