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3 Cards in this Set
- Front
- Back
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SAMPLE SURVEY. |
-The technique of collecting information about a portion of the population is called a sample survey. |
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RANDOM SAMPLE. |
A sample drawn in such a way that each element of the population has a chance of being selected is called a random sample. |
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Systematic variations. |
-Refers to a trend of variations that runs through the population.The selection of samples of items for measurement must be undertaken in such a way that underlying variations is accounted for can be separated from specific treatment effects. |
