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R for the Rest of Us: A Statistics-Free Introduction comes out June 25th. Or you can read the online version today. Check it out →
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Your Turn

Perform a multiple regression examining how both iq and act_science predict act_reading. Ask for standardized coefficients before calling for the summary of results. Which (if any) of the IVs are significant predictors? Based on the standardized coefficient, which is the stronger predictor of ACT readings cores?

Learn More

Read more about the lm() function in the stats package.

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