1. Graphing

2. When to Graph Your Data When "a picture could tell billions of words" To impress people Dramatize a research finding Some people think visually To emphasize something that numbers can't communicate well

3. Scatter Plot - Raw Data

4. Histogram - Raw Data Should not have gaps

5. Column Graph - Categorical Independent Variable

6. Line Graph - All Kinds of Data

7. Circle/Pie Graph - Category Proportions

8. Errors 3-D Color Busy

9. Where Graphs Come From Data analysis programs SPSS (Statistical Package for the Social Sciences) Dedicated graphing software DeltaGraph Spreadsheets Graphing utilities in other programs Word, PowerPoint Called “chart”

10. Not all Figures are Graphs Charts Communicate concepts pictorially Organizational chart Process chart (next slide) Drawing Photographs

11. Chart

12. Chart Area Plot Area Parts Legend X (Category) axis Y (Value) axis Tick Mark Tick Mark Label/ Categ Label Categ Axis Title Value Axis Title Data series Symbol Line Y axis scale