Features of the Continuous Variable to Compare Across Categories
What Are We Comparing?
We have said that we are comparing a continuous variable across categories. But what about the continuous variable are we measuring and comparing across the categories?
Comparison of Means
Most commonly, we wish to know if the average (mean) of the continuous variable differs
across the categories. For this reason, we often call these techniques “comparison
of means.”
Now, we have already looked into this question of whether a mean of a variable differs across groups. You will find such an analysis in Chapter 8, where we get descriptive statistics of a variable across categories. This chapter takes this analysis further, however, by testing whether ...
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