Statistics Every Writer Should Know

Eleven short guides to basic statistical concepts, designed for journalists and others who did not major in math.

Mean: Let's get started.

Median: How to find out how the "average Joe" is doing.

Mode: Who's popular?

Percent: Looking for changes.

Per capita and Rates: When an increase is really a decrease, and other ways people can use numbers to trick you.

Standard Deviation and Normal Distribution: A quick look at the King of Stats.

Survey Sample Sizes and Margin of Error: How not to get suckered by polls and other research.

Regression Analysis: It's all about relationships.

Data Analysis: How to tell if these numbers are really worth writing about anyway.

Statistical Tests: How do I pick the correct statistical test?

Student's T: Is your sample relevant to the larger population it is supposed to represent?

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