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Q-Q plot of residuals

Here are normal Q-Q plots of the previous two models.

Original model (n_clicks versus n_impressions)

qq-ad-conversion-orig.png

Transformed model (n_clicks ^ 0.25 versus n_impressions ^ 0.25)

qq-ad-conversion-trans.png

Look at how well the points track the "normality" line. Which statement is true?

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Introduction to Regression in R

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