ANOVA for vocabulary score vs. (self identified) social class

Let's conduct the ANOVA for evaluating whether there is a difference in the average vocabulary scores between the levels of (self identified) social class.

This exercise is part of the course

Inference for Numerical Data in R

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Exercise instructions

Run the ANOVA with the aov() function, and store the resulting object as aov_wordsum_class.
View a tidy() output of this object.
Interpret the result in context of the data and the research question. Use a 5% significance level.

Hands-on interactive exercise

Have a go at this exercise by completing this sample code.

# Run an analysis of variance on wordsum vs. class
aov_wordsum_class <- ___

# Tidy the model
tidy(aov_wordsum_class)

Edit and Run Code