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bastic terms
| Term | Definition |
|---|---|
| population | a collection, or set, of indivuals or objects or events whose propeties are to be analyzed |
| sample | a subset of a population |
| variable | a trait or feature that you are interested in learning about for each person or item in a group (population or sample). |
| data (singular) | The value you get for the variable from one person or item in the group. It can be a number, a word, or a symbol. |
| data (plural) | The set of values collected for the variable from each of the elements belonging to the sample |
| Experiment | a planned activity where the results give a set of data |
| parameter | a numerical value that summarizes all the data from the entire population. |
| statistic | a numerical value summerizing the sample data |
| qualititative | a variable that describes or puts each item in a group into a category |
| quantitative | a variable that measures something about each item in the population. |
| Nominal variable | a qualitative variable that sorts items into categories. You can’t do math with these categories, and they don’t have any order. |
| Ordinal variable | a qualitative variable that puts items in a specific order or ranking. |
| discrete variables | quantitative variables that can only take specific countable values, like separate points on a number line with gaps between them. |
| continous variable | a quantitative variable that can take any value within a range, including all values between two points on a number line. |
Created by:
gms18155
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