Educational Attainment in the United States, March 1979 and 1978

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U.S. Department of Commerce, Bureau of the Census, 1980 - 70 halaman

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Halaman 64 - South: Alabama, Arkansas, Delaware, District of Columbia, Florida, Georgia, Kentucky, Louisiana, Maryland, Mississippi, North Carolina, Oklahoma, South Carolina, Tennessee, Texas, Virginia, and West Virginia.
Halaman 68 - 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. Estimated percentages are relatively more reliable than the corresponding estimates of the numerators of the percentages, particularly if the percentages are 50 percent or more.
Halaman 64 - Persons employed at more than one job are counted only once in the census and are classified according to the job at which they worked the greatest number of hours during the reference week.
Halaman 1 - March of 1 947 through 1 985 from the Current Population Survey (CPS) conducted by the Bureau of the Census and from supplementary questions to the CPS.
Halaman 65 - 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...
Halaman 66 - 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 63 - 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 64 - Employed persons comprise those, who, during the survey week, were either (a) "at work" — those who did any work for pay or profit, or worked without pay for 15 hours or more on a family farm or business; or (b) "with a job but not at work...
Halaman 63 - 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 66 - 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. The average estimate derived from all possible samples is or is not contained in any particular computed interval.

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