Construction Reports: Housing starts. C20
U. S. Department of Commerce, Bureau of the Census, 1977
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1st quarter 3rd quarter 4th quarter add to total adjusted annual rate August September Average relative standard building permits Bureau Census Central South West compared complete computed Construction Reports definitions detail differ ERROR OF MONTHLY estimates figures four housing starts housing units authorized housing units started interval irregular issued Ist quarter January February March July June manufacturers measure Michigan mobile home shipments month MONTHLY DATA MONTHLY ESTIMATES North Central South Northeast North Central Note November December number of units obtained October November percent permit authorizations PERMIT-ISSUING PLACES place series possible samples Ppreliminary PRIVATELY OWNED HOUSING Ratio Region Period Total relative standard errors residential buildings Revised rounding sample seasonal indexes seasonally adjusted annual selected separate September October shipments of mobile shown in table statistics struc structures supplement survey Table thousands of units tures type of structure U.S. Department units 1 unit Washington
Page 19 - The standard error of a sample estimate is a measure of the variation among the estimates from all the possible samples and thus is a measure of the precision with which an estimate from a particular sample approximates the average result of all possible samples. The...
Page 19 - Subscription to : Remittance Enclosed (Make checks payable to Superintendent of Documents) Charge to my Deposit Account No. MAIL ORDER FORM TO: Superintendent of Documents Government Printing Office Washington, DC 20402...
Page 13 - The standard or sampling error of a survey estimate is a measure of the variation among the estimates from all possible...
Page 19 - 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 13 - ... feet or more long, designed to be towed on its own chassis, with transportation gear integral to the unit when it leaves the factory and without need of a permanent foundation.
Page 19 - For a description of the method used to compute these factors, see Bureau of the Census Technical Paper No. 15, The X-ll Variant of the Census Method II Seasonal Adjustment Program.
Page 19 - Since the estimates in this report are based on a sample, they may differ somewhat from the figures that would have been obtained from a complete census, using the same schedules, instructions, and enumerators.
Page 19 - ... comparable complete-coverage values. Estimates of the standard errors have been computed from the sample data for selected statistics in this report. They are presented in the form of relative standard errors, the standard errors divided by the estimated values to which they refer. In conjunction with its associated estimate, the relative standard error may be used to define confidence intervals, ranges that would include the comparable complete-coverage value for specified percentages of all...
Page 19 - The statistics in this report are estimates derived from a sample survey and may differ from the statistics which would have been obtained from a complete census using the same schedules and procedures. An estimate based on a sample survey is subfeet to both sampling error and nonsampling error. The "accuracy...
Page 13 - Disregarding this difference, the sampling error, or standard error of the estimate, is a measure of the variability among the estimates from all possible samples of the same size and design and, thus, is a measure of the precision with which an estimate from a particular sample approximates the results of a complete enumeration.