Unit+5+-+Scatter+Plots+and+Trend+Lines

**Postive Correlation-**
__When the independent variable increases, the dependent variable also increases.__

Causation-
__﻿A relationship between an event (the cause) and the second event ( the effect) where the second event is a consequence of the first.__

Strong/Weak-
__How well does a line predict the relationship.__

Extrapolation-
__A prediction outside of your set of data.__

Interpalation-
__A prediction within your set of data__

__**Linear Regression- **__
====﻿A statistic based technique that best defines a line of certain points- also known as a trend line; these are useful for predictions. :) ==== ====Here are some super aweosme and helpful videos about trend lines/scatter plots/ and a little about help with graphing calculators :D ==== []

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