Term
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Definition
| a set of questions that is used to gather information about a group or to find the preference of a group |
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Definition
| a part of the group that is chosen to represent the whole group, or population |
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Definition
| the entire group being surveyed |
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Definition
| a sample for which every person in the population has an equal chance of being chosen |
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Term
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Definition
| a running total of frequencies |
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Term
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Definition
| a data value that is well-separated from other data values in a set |
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Term
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Definition
| an average of a group of numbers |
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Term
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Definition
| the middle number when data are arranged in order |
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Definition
| the number or item that occurs most often in a set of data |
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Term
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Definition
| a graph that organizes data by place value |
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Term
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Definition
| a graph that uses symbols or pictures and a key to display countable data |
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Term
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Definition
| a graph that displays countable data with vertical or horizontal bars; compares facts about groups of data |
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Term
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Definition
| a graph that shows how data change over time |
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Term
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Definition
| a pattern over time, such as increasing, decreasing, or staying the same, that is shown by data in part or all of the graph |
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Term
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Definition
| a graph that shows how parts of the data are related to the whole and to each other. |
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