Matching Pairs Lesson 33 VocabularyOnline version Match the term, definition, and example. by Tracy Harrison 1 Mean (or average): The sum of a set of values divided by the number of values. This is often called the average. 2 Mean Absolute Deviation (MAD): The sum of the distances of each data point from the mean of the data set divided by the number of data points. It is always positive. 3 Interquartile Range (IQR): The difference between the upper quartile and lower quartile. 4 Median: The middle number, or the halfway point between the two middle numbers, in an ordered set of values. 5 Argument 6 Support 7 Argue To provide facts, definitions, data, or other evidence to show that an argument or claim is true. A statement or claim that something is true or false. To give reasons that a statement or claim is true or false.