6 terms

mean

the sum of the data items divided by the number of data items.

measures of central tendency

mean, median, mode, and range.

median

the middle number in a set of data.

mode

the data item that occurs most often.

range

the difference between the greatest and least values in a set of data.

outlier

a data value that is much higher or lower than the other data values in a collection of data.