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10 cards from this deck
To linearise curved data for linear regression
The explanatory variable (x-values)
The response variable (y-values)
High x-values stretched apart, low x-values stay closer
When scatterplot curves upward as x increases
When y increases at an increasing rate
Take square root to convert back to original units
Negative values don't make sense (heights, yields, distances)
A stretching transformation
Square to straighten, root to return
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