Current Population Reports: Population characteristics. Series P-20

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U.S. Department of Commerce, Bureau of the Census, 1972

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Halaman 26 - ... children under 18 years old, living in a household and related to, but not including, either the householder or the householder's spouse.
Halaman 1 - Also included as unemployed are those who did not work at all, were available for work, and (a) were waiting to be called back to a job from which they had been laid off; or (b) were waiting to report to a new wage or salary job within 30 days.
Halaman 2 - In order to derive standard errors that would be applicable to a wide variety of items and could be prepared at a moderate cost, a number of approximations were required, As a result, the table of standard errors provides an indication of the order of magnitude of the standard errors rather than the precise standard error for any specific item.
Halaman 3 - The reliability of an estimated percentage, computed by using sample data for both numerator and denominator, depends upon both the size of the percentage and the size of the total upon which the percentage Is based.

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