Term
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Definition
| A group of individuals who actually have a chance of being selected in rhe sample. |
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Term
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Definition
| Every member of population has an equal chance of being selected, and their selection does not affect anyone elses chances of being chosen (often best type of sample). |
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Term
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Definition
| To go through a population sequentially and select members at regular intervals. (Interval = pop. size/sample size) |
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Term
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Definition
| Has the same proportion of members from each "stratum" as the population does. A "strata" is a group of elements in pop. who share common characteristics (male/female). |
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Term
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Definition
| Certian groups that likely represent an entire population. (I.E. A city that is a good representation of Ontario as a whole). |
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Term
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Definition
| Perform several levels of random sampling. (I.E. Pop. divided into grades, then males/females. Much like stratified samples) |
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Term
| Voluntary Response Sample |
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Definition
| Researchers invite members of the population to participate in a survey. |
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Term
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Definition
| Select the sample that is easily accessible. |
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