Slide 24
Slide 24 text
Again, we group and summarize these data (7500
graduates) by program, race, and sex
#> Observations: 27
#> Variables: 4
#> $ program "Engineering", "Engineering"
#> $ race "Asian", "Asian", "Black", "
#> $ sex "Female", "Male", "Female",
#> $ grad 129, 445, 276, 395, 55, 206,
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