6. A tree map's primary method of communicating data values is by using: A. Color B. Position Size D. Shape E. Pattern Annotations are used for providing information about specific data points, not areas of a visualization. 47. True B. False 48. The popup window, that shows additional information about a data point when the cursor hovers over or is clicked on a data point, is called a Cliptip True B. False 49. An effective technique to improve the comparability of relative values in a bar chart is to utilize: (Select all that apply) A. Tooltips B. Grid lines C) Trend lines Annotations E. Sorting 50. A Waterfall chart uses a transformation for showing results over time. A. Scaling B. Ratio C. Cumulative Percentage Relationl If we want to show the general direction, over time, of our sales (e.g. the rate at which sales is generally going up or down) we should addto the chart 51 A. Colors Trend lines C. Tick marks D. Annotations E. Markers