Current Population Reports: Special studies. Series P-23

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U.S. Department of Commerce, Bureau of the Census, 1991 - United States
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Page 8-12 - 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...
Page 5-14 - Virginia West Virginia North Carolina South Carolina Georgia Florida East South Central Kentucky Tennessee Alabama Mississippi West South Central Arkansas Louisiana...
Page 8-20 - Therefore, a conclusion that the average estimate derived from all possible samples lies within a range computed in this way would be correct for roughly 90 percent of all possible samples.
Page 14 - 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...
Page 14 - Nonsampling 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...
Page 8-17 - Age. The age classification is based on the age of the person at his or her last birthday.
Page 8-12 - A household includes the related family members and all the unrelated persons, if any, such as lodgers, foster children, wards, or employees who A-2 share the housing unit. A person living alone in a housing unit or a group of unrelated persons sharing a housing unit as partners is also counted as a household.
Page 14 - Since the estimates are based on a sample, they may differ somewhat from the figures that would have been obtained if a complete census had been taken using the same schedules, instructions and enumerators.
Page 59 - The accuracy of a survey result depends on both types of errors, but the full extent of the nonsampling error is unknown. Consequently, particular care should be exercised in the interpretation of figures based on a relatively small number of cases or on small differences between estimates.
Page 8-13 - ... children under 18 years old, living in a household and related to, but not including, either the householder or the householder's spouse.

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