Term | Definition |
average | the sum of two or more quantities (numbers) divided by the number of quantities |
bar graph | a graph used to compare categories of data |
frequency | the number of times a number occurs |
graph | a visual way to display data |
horizontaal axis | the axis on which the categories or values are shown in a bar or line graph |
integrers | positive numbers, their opposites and zero |
key | a key explains the information on a graph |
line graph | is a graph that shows how a set of data changes over a period of time. |
line plot | a diagram that shows the frequency of data on a number line. |
mean | or average number- a set of data is the sum of the data divided by the number of pieces of data |
measure of central tendency | numbers that are used to describe the center of a set of data |
median | the middle number in a set of data when the data are arranged in numerical order. |
mode | the number(s) or item(s) that appear most often in a set of data |
negative numbers | a number that is less than 0. |
opposites | numbers that are the same distance from zero in opposite directions. |
outlier | a value that is much higher or much lower than the other values in a a set of data |
positive number | a number that is greater than 0. |
range | the difference between the greatest and least number in a set of data. |
stem-and-leaf plot | a graph that organizes data from least to greatest and place value. |
vertical axis | on a graph is shows the axis on which the scale and intervals are shown |
interval | On a scale or graph the parts are separated in equal parts |