@subsubheading Description

The number of telephones in various regions of the world (in thousands).

@subsubheading Format

A matrix with 7 rows and 8 columns. The columns of the matrix give the
figures for a given region, and the rows the figures for a year.

The regions are: North America, Europe, Asia, South America, Oceania,
Africa, Central America.

The years are: 1951, 1956, 1957, 1958, 1959, 1960, 1961.

@subsubheading Source

AT&T (1961) @cite{The World’s Telephones}.

@subsubheading References

McNeil, D. R. (1977). @cite{Interactive Data Analysis}. New York: Wiley.

@subsubheading Examples

@example
@INCLUDE_DATASET_EXAMPLE_SCRIPT{WorldPhones_1.m}
@end example
