...Nonsampling errors can be attributed to many sources in the collection and processing of the data. The accuracy of a survey result is determined by the joint effect of sampling and nonsampling errors. MEASURES OF SAMPLING VARIABILITY Because the estimates were based...

...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...survey result is determined by the joint effect of Sampling error arises from the fact that a particular sample was surveyed rather than the entire population....

...from the statistics which would have been obtained from a complete census using the same schedule* and procedures. An estimate based on a sample survey...to both sampling error and nonsampling error. The "afr curacy" of a survey result is determined by the joint effect of these errors. Sampling error arises...

...haw« been obtained from a complete census using the same edhedufet and procedures. An estimate besed on a sample survey is subject to both sampling error...nonsampling error. The "accuracy" of a survey result it determined by the joint effect of these errors. Sampling error arises from the feet that a particular...

...are similar to those in the sample. RELIABILITY OF DATA The statistics in this report are estimates based on sample surveys and may differ from statistics...accuracy of a survey result is determined by the joint effects of these errors. Measures of Sampling Errors Sampling error reflects the fact that only a particular...