The Algebra concepts in the first PowerPoint focus on Central Tendency: Mean, Median, Mode, and Range. During this lesson, we review the meaning of each central tendency concept and go over two examples of how to calculate each, including calculating the average of the two middle values to find the Median.The Algebra concepts in the second PowerPoint focus on Dot Plot Graphs and the Central Tendency concepts calculated from its values: Mean, Median, Mode, and Range. During this lesson, we go ove