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The E9.20 data frame has 16 rows and 3 columns.
E9.20
data(E9.20)
This data frame contains the following columns:
a numeric vector, cost of cleanup. Units forgotten.
a numeric vector, sales at hot-dog stands. Units forgotten.
a numeric vector, sales at beer stands. Units forgotten.
data(E9.20) summary(E9.20) plot(E9.20)
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