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Topic 18
Graphs and Data
| Term | Definition |
|---|---|
| survey | A question(s) used to gather information. |
| data | Information gathered from a survey. |
| sample set | A group of people used to represent a larger group. |
| line plot | A graphic that uses x's to represent responses. |
| frequency table | A table that uses numbers to show how many times a response occurs. |
| tally chart | A chart that uses tally marks during a survey to show how many times a response occurs. |
| bar graph | Uses rectangles to show and compare data that tells how many or how much. |
| double bar graph | Uses two different-colored bars to show two similar sets of data. |
| interval | The difference between adjoining numbers on an axis. |
| scale | The series of numbers at equal distances along an axis. |
| line graph | Used to show change over time. |
| trend | Shows the general direction in data. |
| stem-and-leaf plot | A convenient way to organize data using numerical order and place value. |
| histogram | A graph that groups data into equal intervals shown on the x-axis. |
| circle graph | Shows how all (100%) of a set of data has been divided into parts. |
| mean | The sum of all the numbers in a data set divided by the number of numbers in the set. |
| median | The middle data value once the data is organized. |
| mode | The data value the occurs most often in the data set. |
| range | the difference between the greatest and least values. |
Created by:
mrszmath
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