Plotting the frequency of data falling within numeric ranges illustrates the diversity of your data. As an example, a teacher might wish to calculate and display her students' grades by tabulating ...

The mode is the value that occurs most often in a set of data, and it is often used in questions dealing with frequency or probability. It is calculated by counting all the values in a set of data.

When data is shown in a frequency table, these figures are found by carrying out calculations using the rows and columns. To find the mean from a frequency table: Set up a new column to multiply ...