Correlation A relationship between 2 variables As one goes up, you can tell whether the other will go up or down.

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Presentation transcript:

Correlation A relationship between 2 variables As one goes up, you can tell whether the other will go up or down.

Freedom & Happiness The Key to Happiness is Freedom, Not Money

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Height & Weight

Car Weight & Gas Mileage

Elevation & Temperature

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How Temperature Affects Coffee Sales

Scores in Language and Math for Elementary Students

Sleep & Test Scores

Do pro basketball teams run up the score against bad opponents?

Ages of Married Couples

Lawyers’ LSAT Scores & Salaries

Temperature & Electrical Resistance

Effect of Beer Drinking on Achievement

You can tell a lot from a scatterplot. * Strong vs. weak * Positive vs. negative

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