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Technical Information and Data

Technical Documents and Survey Data

Table 4: Summary Sample Design

2000 Summary Sample Design and Sample Size Information Target Sample Sizes

  All States Mean for States
Number of States 52*  
Annual 189,450 3648.8
Monthly 15,812 304.1

* Point-in-Time Excluded.


States with More than One Stratum

  Geographic
Stratification		 Density
Stratification		 All
Stratification
Number of States 21 50 51
Number of Strata 130 154 284
Mean Number of Strata 6.19 3.08 5.57


All States

  Geographic
Stratification		 Density
Stratification		 All
Stratification
Number of States 52 52 52
Total Number of Strata 16 154 315
Mean Number of Strata 3.10 2.96 6.06


Types of Sample Designs

Sample Design Type Number of States Source of Sample Number of States
Disproportionate Stratified Random 50 GENESYS via BSB 49
Waksburg Cluster 1 GENESYS purchase by state 1
Simple Random 1 Survey Sampling, Inc. 1
Point-in-Time 1 Wisconsin Survey Research Lab 1


Return to 2000 Survey Data

 




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This page last reviewed December 11, 2008

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