Question: After running the aov() procedure on the InsectSprays data set, the Mean Sq for spray is 533.8 and the Mean Sq for Residuals is 15.4.

After running the aov() procedure on the InsectSprays data set, the “Mean Sq” for spray is 533.8 and the “Mean Sq” for Residuals is 15.4. Which one of these is the between groups variance and which one is the withingroups variance? Explain your answers briefly in your own words.

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