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19 Cards in this Set
- Front
- Back
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Biased sample |
A sample that does not fairly represent the population |
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Census |
A survey of all individuals of a group |
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Continuous data |
Data that is measured; i.e. weight of your dog |
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Data |
Information; this information can be numbers, measurements, or descriptions of populations |
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Discrete data |
Data written in whole numbers; i.e. Counting legs on a bug |
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Inferences |
Generalizations made from sample data about a population |
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Population |
The entire group in a survey |
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Qualitative Data |
Data that describes ; i.e. Green eyes |
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Quantitative data |
Numerical information; I.e. 4 |
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Random sample |
A sample where each individual has an equal chance of being selected |
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Sample |
A small part of a group |
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Survey |
A way to gather information from samples to learn about a whole group or project |
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Bimodal |
Having two modes in a data set |
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Mean |
The average of a given data set |
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Mean absolute deviation (M.A.D.) |
The average distance of each data point from the mean |
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Median |
The middle value of a given data set when data is put in numerical order |
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Mode |
The most common value in a data set |
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Range |
The difference between the high and low values in a data set |
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Variability |
The spread of values in a data set |
