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8 Cards in this Set
- Front
- Back
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Quantitative Variable |
A variable that can be measured numerically. |
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Discrete Variable |
A variable whose values are countable. Can only be certain values with no intermediary values |
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Continuous Variable |
A variable that can assume any numerical value over a certain interval. Height of family members, temperature, etc. |
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Qualitative Variable |
A variable that cannot be expressed numerically and can be sorted into two or more categories. Hair colour, favourite car, etc. |
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Time-series data |
Data collected on the same element for the same variable over time. |
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Reliable results depend upon... |
...the availability of accurate and appropriate data. |
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Internal sources |
Sources inside an organization including inventory transactions, purchase orders, and sale |
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External sources |
Sources connected to an external database that contains data that does not change much. |
