E4.7 data frame has 101 rows and 3 columns.
This data frame contains the following columns:
a character vector, containing names of the countries.
a numeric vector, life expectancy, years. Early 1970's.
a numeric vector, per capita income in 1974 dollars. Early 1970's.
From the New York Times (September, 28, 1975, p E-3).
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