The document provides information and examples about calculating the mean, median, and mode of data sets, which are measures of central tendency. It explains that the mean is the average, the median is the middle number, and the mode is the number that occurs most frequently. Several examples are given of calculating the mean, median, and mode of different data sets and determining which measure best describes a particular data. The document concludes by giving homework problems involving calculating measures of central tendency and determining perimeters of rectangles.

1. Remember the 3 Ms? Mean, Median, and Mode ~Central Tendency~ Section 3.3 September 30, 2008 By Ms. D-H

16. Using Formulas Section 3.4 Just two formulas.