Current Population Reports: Population characteristics. Series P-20

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U.S. Department of Commerce, Bureau of the Census, 1978
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Halaman 65 - A standard metropolitan statistical area is a county or group of contiguous counties which contains at least one city of 50,000 inhabitants or more or twin cities with a combined population of at least 50,000.
Halaman 124 - South— Alabama, Arkansas, Delaware, District of Columbia, Florida, Georgia, Kentucky, Louisiana, Maryland, Mississippi, North Carolina, Oklahoma, South Carolina, Tennessee, Texas, Virginia, and...
Halaman 148 - A house, an apartment, or other group of rooms, or a single room, is regarded as a housing unit when it is occupied or intended for occupancy as separate living quarters; that is, when the occupants do not live and eat with any other persons in the structure and there Is either (1) direct access from the outside or through a common hall or (2) a kitchen, or cooking equipment for the exclusive use of the occupants.
Halaman 68 - ... in the data. The chances are about 68 out of 100 that an estimate from the sample would differ from a complete census figure by less than the standard error. The chances are about...
Halaman 124 - South Atlantic. Delaware, District of Columbia, Florida, Georgia, Maryland, North Carolina, South Carolina, Virginia and West Virginia; — East South Central. Alabama, Kentucky, Mississippi and Tennessee; — West South Central. Arkansas, Louisiana, Oklahoma and Texas; — Mountain. Arizona, Colorado, Idaho, Montana,' Nevada, New Mexico, Utah and Wyoming; and — Pacific.
Halaman 23 - family," refers to a group of two or more persons related by blood, marriage, or adoption and residing together ; all such persons are considered as members of one family.
Halaman 149 - Area (SMSA) is a county or group of contiguous counties which contains at least one city of 50,000 inhabitants or more or 'twin cities' with a combined population of at least 50,000.
Halaman 67 - Data reliability The data in this bulletin are estimates from a scientifically selected probability sample. There are two types of errors possible in an estimate based on a sample survey, sampling and nonsampling. Sampling errors occur because observations come only from a sample and not from an entire population. The sample used for this survey is one of a number of possible samples of the same size that could have been selected using the sample design. Estimates derived from the different samples...
Halaman 49 - Age. The age classification is based on the age of the person at his last birthday. Race. The population is divided into three groups on the basis of race: White, Black, and "other races.
Halaman 128 - As in any survey work, the results are subject to errors of response and nonreporting in addition to sampling variability. Nonsampling errors can be attributed to many sources, eg, inability to obtain information about all cases in the sample, definitional difficulties, differences in the interpretation of questions, inability or unwillingness to provide correct information...

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