The Current Population Survey: Design and Methodology, Volume 3

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U.S. Department of Commerce, Bureau of the Census, 1978 - 172 halaman
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Halaman 159 - The standard error is primarily a measure of sampling variability, that is, of the variations that occur by chance because a sample rather than the whole of the population is surveyed.
Halaman 44 - Also included as unemployed are those who did not work at all during the survey week and — a. Were waiting to be called back to a job from which they had been laid off; or b.
Halaman 159 - 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 159 - 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.
Halaman 15 - A housing unit is a house, an apartment, a group of rooms, or a single room occupied or intended for occupancy as separate living quarters. Separate living quarters are those in which the occupants do not live and eat with any other persons in the structure and...
Halaman 161 - Standard error of a difference. For a difference between two sample estimates, the standard error is approximately equal to the square root of the sum of the squared standard errors of the estimates; the estimates can be of numbers, percents, ratios, etc.
Halaman 15 - 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.
Halaman 159 - The estimating procedure used in this survey involved the inflation of the weighted sample results to independent estimates of the civilian noninstitutional population of the United States by age, race, and sex. These independent estimates were based on statistics from the 1970 Census of Population; statistics of births, deaths, immigration and emigration; and statistics on the strength of the Armed Forces.
Halaman 42 - ... hours or more as unpaid workers on a farm or in a business operated by a member of the family. and (2) all those who were not working but who had jobs or businesses from which they were temporarily absent because of illness. bad weather. vacation. or labor-management dispute.
Halaman 94 - Approximately 95 percent of the intervals from two standard errors below the estimate to two standard errors above the estimate would include the average result of all possible samples.

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