1. SP 225 Lecture 6 Graphing

2. Pie Chart A graph depicting qualitative data as slices of a pie

3. Example Climate of the World’s Countries FrequencyPercentage Desert76.9% Arid Desert54.9% Arid65.8% Tropical3231.4% Mediterranean109.8% Maritime43.9% Temperate3433.3% Arctic43.9% Total102100%

4. Bar Chart A bar graph for qualitative data, with the bars arranged in order according to frequencies or natural order

5. Histograms

6. Example FrequencyPercent 0-9420 10-19630 20-29840 30-39210

7. Frequency Polygon Uses line segments connected to points directly above class midpoint values or class label

12. Choosing a Graph Type  Choosing a graph type  Making graphs in SPSS

13. In Class  What type of chart best displays the data for the variable income and realrinc? Why?  Use SPSS create a graph of each income variable.  Does each graph suggest income inequality exists? Is either graph misleading? Why?  Write your responses on the SPSS graph output.