| 1972 - 1132 halaman
...conducted by the Bureau of the Census. (See text, p. 1.) Because the data are derived from a probability **sample, they may differ from the figures that would have been obtained if it** were possible to take a complete census 213 using the same questionnaire and procedures. Thus, the... | |
| United States. Bureau of Labor Statistics - 1971 - 768 halaman
...ending October 18, 1969. All members of the Armed Forces and inmates of institutions were excluded. **Since the estimates are based on a sample, they may...differ from the figures that would have been obtained** from a complete census. Sampling variability may be relatively large in cases where the numbers in... | |
| 1970
...Education because of these exclusions, the age limitation, and other minor differences in measurement. **Since the estimates are based on a sample, they may...differ from the figures that would have been obtained** from a complete census. Sampling variability may be relatively large in cases where the numbers are... | |
| 1975 - 740 halaman
...published by the US Office of Education, which are based on the total population and all age groups. **Since the estimates are based on a sample, they may...differ from the figures that would have been obtained** from a complete census. Sampling variability may be relatively large in cases where the numbers are... | |
| 1977 - 694 halaman
...age and over in the civilian noninstitutional population in the calendar week ending Oct. 16, 1976. **Since the estimates are based on a sample, they may...differ from the figures that would have been obtained** from a complete census. Sampling variability may be relatively large in cases where the numbers are... | |
| 1972
...Education because of these exclusions, the age limitations, and other minor differences in measurement. **Since the estimates are based on a sample, they may...differ from the figures that would have been obtained** from a complete census. Sampling variability may be relatively large in cases where the numbers are... | |
| 1976 - 694 halaman
...population 16 years old and over (unless otherwise specified) in the week ending Mar. 15, 1975. Because **the estimates are based on a sample, they may differ from the figures that would have been obtained** from a complete census. Sampling variability may be relatively large in cases where the numbers are... | |
| United States. Bureau of Labor Statistics - 1979 - 702 halaman
...include academic, avocational, and self-improvement courses taken over a year's time. Because the CPS **estimates are based on a sample, they may differ from the figures that would have been obtained** from a complete census. Sampling variability may be relatively large in cases where the numbers are... | |
| 1967 - 788 halaman
...Nos. 5, 15, 21, 32, 41, 54, and 66, respectively. Since the estimates resulting from this survey are **based on a sample, they may differ from the figures that would have been obtained** from a complete census. The sampling variability may be relatively large In cases where the numbers... | |
| 1966 - 804 halaman
...excluded from both the first survey and the followup. Since estimates resulting from this survey are **based on a sample, they may differ from the figures that would have been obtained** from a complete census. The sampling variability may be relatively large In cases where the numbers... | |
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