1. F.O.A. (Write out the problem) 1.Sharla’s math grades were as follows: 87, 90, 70, 95, 100, and 90. If each grade counted equally, what is Sharla’s final grade? 2.Michael has quiz grades of 90, 75, 80 and 85. His test grades are a 100 and a 95. If Michaels test grades count double than what is Michaels current grade?

2. Learning Target: Students will learn how to calculate data using mean, median, mode and range. Students will learn how to justify which average best represents the data set.

3. Definitions: Mean (avg.) – Add up items Total items Median – Middle # (must put them in order from smallest to largest) Mode – The value you see most often Range – Difference between the largest # and the smallest # Outlier – A number that is either a lot smaller or bigger then the rest of the data

4. Find the mean, median, mode and range. Which average(s) represents the data the best. 25, 32, 32, 34, 35, 36, 38, 41, 69