Question | Answer | If Defintion don't fit |
Average | A sum of two or more quantities divided by the number of | quantities; the mean |
Bar graph | A graph using bars to compare quantities. The height or | length of each bar represents a designated number |
Frequency | The number of times an item occurs | |
Graph | A visual way to display data | |
Horizontal axis | The axis on which the categories or values are shown | in a bar and line graph |
Integers | The whole numbers ans their opposites. | |
Key | A sample data point used to explain the stems and leaves | in a stem-and-leaf plot |
Line plot | A diagram that shows the frequency of data on a number | line |
Mean | The sum of the numbers in a set of data divided by the number | of pieces of data |
Measures of central tendency | Numbers that are used to describe the center of a set of | data. These measures include the mean,median, and mode. |
Median | The middle number in a set of data when the data are arranged | in a numerical order. If the data has an even number,the median is the mean of the two middle numbers. |
Mode | The number(s) or items that appear most often in a set of | data. |
Negative number | A number that is less than zero | |
Operation | Numbers that are the same distance from zero in | operations directions. |
Outlier | A value that is much higher or much lower than the other | values in set of data |
Positive numbers | A number that is greater than zero. | |
Range | The difference between the greatest number and least | number in a set of data. |
Stem-and-leaf plot | A system used to condense a set of data where the greatest | place value forms the leaves. |
Vertical axis | The axis on which the scale and interval are shown in a or | line graph. |
Line graph | A graph used to show how a set of data changes over a period | of time. |