intro Today we will compare two data sets. reminder Remember, the Absolute Value of a number is its distance from zero, so it will always be a non-negative number. reminder The data with the greatest MAD is the data set that varies the most. prompt 40 75 340 80 Follow along and calculate the average! probGR/6294_int.png reminder 280 The data with the greatest MAD is the data set that varies the most. attention 75 250 320 180 Be on the lookout for "Select all that apply" on tests, too! attention Don't forget to think through those last two options. reminder Interquartile Range: Quartile 3 - Quartile 1, e.g. for Baton Rouge 91 - 88 = 3 prompt Be sure to finish all the practice problems.