# Statistics in Sports

**Topics:**Statistics, Baseball statistics, Standard deviation

**Pages:**3 (1085 words)

**Published:**April 9, 2007

Statistical analysis is best organized into two subsets: descriptive statistics and inference statistics. Descriptive statistics is used to summarize the data by organizing it graphically or numerically. Charts and graphs are used in descriptive statistics to show variation in the sample, or a chosen subset of the population being observed. An example of this in sports is in baseball a chart shows the percentage or times or amount of times a ball is hit. Numerically organized data is often displayed as standard deviation or as a mean. A mean is simply an average, while standard deviation is the measure of statistical dispersion, or how the information gathered relates to the mean of the data. One stat that uses mean is earned run average (ERA). ERA is the mean of earned runs given up by a pitcher per nine innings pitched. It is...

Cited: Lane, David M. "An Introduction to Statistics." Hyperstat Online. 2007. Rice University. 4 Feb. 2007 .

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