click below
click below
Normal Size Small Size show me how
Data & Statistics
Revision
| Term | Definition |
|---|---|
| probability | the chance of something happening |
| data | information |
| statistics | information that has been collected |
| graphs | visual representation of information |
| pie graph | a circular graph |
| pictograph | a graph made of pictures or images |
| line graph | a graph that joins dot points to make a line |
| dot plot | a graph which uses dots to show information |
| column graph | a graph that has information presented vertically |
| bar graph | a graph that has information presented horizontally |
| venn diagram | information shared across 2 or 3 linked circles |
| stem & leaf plot | a table where information is split into a "stem" (the first digit or digits) and a "leaf" (usually the last digit). |
| 2 way table | a table that has 2 or more sets of information |
| x axis | the line that goes across ( horizontal) |
| y axis | the line that goes up and down ( vertical) |
| mean | the average of all values- add all numbers and divide by that many numbers |
| median | the number in the middle of ordered numbers |
| mode | the number that occurs the most |
| range | the difference between the biggest and smallest numbers |
| frequency table | a table that shows the number of things |
| tally | a way of counting things using stikes/lines |
| total | the whole amount |