Camden 2
Terms
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- survey
- a set of questions that is used to gather information about a group or to find the preference of a group
- sample
- a part of the group that is chosen to represent the whole group or population
- population
- the entire group being surveyed
- frequency
- the number of times a piece of data occurs
- mean
- an average of a group of numbers
- median
- the middle number when data are arranged in order
- mode
- the number of item that occurs most often in a set of data
- range
- the difference between the highest and lowest numbers in a ordered series of numbers
- stem-and-leaf plot
- a graph that organizes data by place value
- pictograph
- a graph that uses symbols or pictures and a key to display countable data
- bar graph
- a graph that displays countable data with vertical or horizontal bars; compares fact about groups of data
- line graph
- a graph that shows how data changes over time
- circle graph
- a graph that shows how parts of the data are related to the whole and to each other
- line plot
- a visual picture of data so you can quickly see the most common numbers
- outlier
- a data value that is well-separated from other data values in a set