1 CHAPTER 3: DATA ANALYSIS - MEASURES OF DISPERSION 3.3 Introduction 3.4 Ungrouped Data 3.4.1 Range 3.4.2 Inter-Quartile Range 3.4.3 Semi Inter-Quartile Range 3.4.4 Variance…
Slide 1 Using Data Why do we need to deal with data ? In the context of what we do in Qatar the answer could perhaps best be âTo sumarise and present large amounts of data…
Graphs V. Data Analysis A. Range 1. Total value your data covers from lowest to highest 2. Range = highest value – lowest value ex. Data is 2 5 7 14 19 Range = 19 – 2…