SAT Prep - Math

Bar graphs are one form of graph used to represent information. A bar chart or bar graph is a chart with rectangular bars with lengths proportional to the values that they represent.  A bar chart is very useful as a visual tool to compare data a... read more ››

A line chart or line graph is a type of graph, which displays information as a series of data points connected by straight line segments. Line charts or line graphs typically compare two variables. Each variable is plotted along an axis. For example,... read more ››

A pictograph is a way of representing statistical data using symbolic figures to match the frequencies of different kinds of data. Because of their graphical nature and fairly realistic style, they are widely used to represent the values for data. Qu... read more ››

A pie chart represents the relative magnitude of various components of the whole. The larger the arc angle, the larger the component. A pie chart (or a circle graph) is circular chart divided into sectors, illustrating proportion. In a pie chart, the... read more ››

Scatter plots are very rare on the test. You will be lucky to find a problem involving scatter plot when you take the test. Lucky? Yes. Because problems involving scatter plots are really easy. Understanding Scatter Plots A scatter plot is a plot o... read more ››