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Data and Graphs
Vocabulary for Data and Graphs
Question | Answer |
---|---|
survey | A method of gathering data by asking people questions |
tally | A way of counting by making a mark for each item counted. |
line plot | A graph that uses X's above a number line to show data. |
median | The middle number in a group of numbers arranged in numerical order. |
mode | The number or numbers that occur most often in a set of data |
range | The difference between the greatest and the least numbers in a set of numbers |
pictograph | A graph that shows data by using symbols or pictures |
key | Tells how many items each symbol stands for. |
bar graph | A graph that shows data by using bars of different lengths. |
scale | Marks that are equally spaced along a side of a graph. |
ordered pair | A pair of numbers that gives the location of a point on a map or grid. |
line graph | A graph that uses a line to show how something changes over time. |