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12 Cards in this Set
- Front
- Back
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Survey |
The collection of information from the elements of a population or sample. |
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When a survey includes all the elements of a population it's called a ____________ |
Census |
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Sample Survey |
Information collected from a portion of the population. |
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Representative Sample |
A sample that represents the characteristics of the population as closely as possible. |
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Random Sample |
A sample in which every element of the population has a chance of being selected. |
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Simple random sample |
So called if each element of a population had the same chance of being selected. |
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Element |
A specific object or subject within a sample or population (student, house, country, etc.) |
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Member |
A specific object or subject within a sample or population (student, house, country, etc.) |
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Variable |
A characteristic under study that assumes different values for different elements (household incomes, favourite colours, etc.) |
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Observation |
The value of a variable for an element in a data set. |
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Data set |
A collection of observations based on one or more variables. |
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Measurement |
The value of a variable for an element in a data set. |
