| A | B |
|---|
| independent variable | This is the variable that is manipulated in an investigation |
| dependent variable | This is the variable that changes as a result of the manipulation of the independent variable |
| A scatter plot | is a graph with points plotted to show a possible relationship between two sets of data. |
| A line of best fit | is a line that is drawn to fit,or come close to,most of the data points. |
| A bar graph | is used to display and compare data that are in separate,or distintc,categories. |
| A circle graph | is used to show how each group of data relates to all of the data. |
| A line graph | shows continuous data,or data that can take on any value such as the gas mileage of a car. |
| A linear relationship | A relationship between the independent variable can be shown with a straitght is called a linear relationship. |
| A line plot | shows the frequency distribution of data,or how often data fall into certain intervals or categories on a horizontal number line. |
| A histogram | is a type of bar graph that also shows the frequency of data within equal intervals .Histograms use bars rather than Xs to rapresent data. |
| Range | is the diference between the largest and smallest numbers in a data set . |
| The mean | or average ,is the sum of all values in a data set divided by the number of items in a data set. |
| The median | is the middle number in an ordered date set. |
| Mode | is the number or numbers that occur most frequently in a data set. |
