Notes of Geography

Notes of Geography - + To avoid selection bias...

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Precision of Sample Statistic/Sampling Error + When the sample size is larger, the sample statistic is a more precise estimate of the parameter (smaller sampling error) + When the elements in the population are more alike, the sample yields a statistic that is more precise for estimating the population parameter. Sample Design == Objective
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Unformatted text preview: + To avoid selection bias (randomization) + To minimize the sampling error for a given budget and information. (i.e. the sample yields a more precise estimate of the population characteristics.) Sample Design + Random Sample + Systematic Sample + Stratified Sample (Based on lifestyles.) + Cluster Sample...
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