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Stats: Chapter 8

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EXTRAPOLATION

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Terms in this set (6)

When it is unsafe to make predictions for x far from the ones used to find the linear model

Any data point that stands away from the others

Data points whose x-values are far from the mean of x

INFLUENTIAL POINT

If the point is removed from the data set and a very different slope is produced

LURKING VARIABLE

A variable that is not explicitly part of a model but affects the way the variables in the model appear to be related.

A leverage point that pulls the line and changes the slope and y-intercept