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Only selected sample error percentages are shown. Standard errors of the other general statistics estimates for Divisions, States, and Industry groups are usually of the same general magnitude as the standard errors shown for employment and value added for 1952 and value added for 1953. The standard errors shown for 1952, are also in most cases, a close approximation of the 1950 and 1951 standard errors which have not been included in this table. The standard errors for 1950 and 1951 are available in the 1951 Annual Survey of Manufactures volume.
The totals shown for 1950 thru 1953 include employees separately reporting at central administrative offices and auxiliary establishments. The totals shown for 1947 represent employment data only at operating manufacturing establishments.
"The data for North Dakota and South Dakota have been combined for 1950 and 1951 because of the high standard errors associated with the survey estimates for each State.
Table 1.--GENERAL STATISTICS FOR INDUSTRY GROUPS
(DOLLAR FIGURES AND MAN-HOURS ARE IN THOUSANDS. Industries (4-digit) for which data are shown were selected, after review for consistency with "Value added by manufacture." With few exceptions, the industries shown have standard errors of 15 percent or less for these entries. Standard employment and value added. Industry group totals (2-digit and 3-digit) include the estimates for all the component industries, regardless of industry (3-digit) groups. Unpublished estimates, including those which can be derived by subtraction, may have standard errors considerably in Manufactures volume.)
other Census series and related data, on the basis of the standard error of estimate associated with figures for
"All employees, number" and the standard errors shown for groups and for practically all Appendix C, 1947 Census of
AND SELECTED INDUSTRIES: 1953, 1952, AND 1947