Unformatted text preview: This is an example of a: Answer Cluster Sample Convenience Sample Stratified Sample Systematic Sample For more: Cluster samples are mentioned on the top of page 66 (but were gone into more detail in class).See pages 66-69 about stratified samples. Systematic samples were gone over in class. Convenience sample is back on page 22 in Chapter 2. Question If the strata are chosen so that the members of each strata are likely to be similar on the variable in question, then a stratified random sample should: Answer Have less bias than a simple random sample. Have less variability than a simple random sample. For more: This is talked about at the top of page 67 in terms of margin of error. (Later on it will also be a property shared with block designs for experiments.)...
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This note was uploaded on 02/22/2012 for the course STAT 110 taught by Professor Johnson during the Fall '07 term at South Carolina.
- Fall '07