Stratified Sample - a form of probability sample where respondents are chosen from a random sample of homogeneous sub-groups (according to a common characteristic) into which the total population has been divided.
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Proportionate Stratified Sample: A type of probability sample where the probability of a unit being selected from a stratum is proportional to the number of units in the stratum.
3. Select a sampling method. Do we us a random sample, stratified sample, or cluster sample?
4. How will we analyze any data collected? What software will we use? What degree of accuracy is required?
5. Decide upon a budget and a timeframe.
a form of probability sample where respondents are drawn from a random sample of mutually exclusive groups (usually geographic areas) within a total population, also called an area sample, see stratified sample
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