Pareto Chart Bar chart used to display qualitative
Pareto Chart �Bar chart used to display qualitative Data �Properties: �Bars do not touch �Bars are positioned in decreasing order
Ex: (#25, p 64) �Use a Pareto chart to display the data. The data represent the results of a 2005 worldwide study of all airlines on the causes for baggage delay. Transfer baggage mishandling 61% Loading/offloading error 4% Failure to load at originating airport 15% Space-weight restriction 3% Arrival station mishandling 3% Other 12%
Graphing Paired Data Sets Number of Students per teacher Average teacher’s salary (in thousands of dollars) 17. 1 28. 7 17. 5 47. 5 18. 9 31. 8 17. 1 28. 1 20. 0 40. 3 18. 6 33. 8 14. 4 49. 8 16. 5 37. 5 13. 3 42. 5 18. 4 31. 9
Y-Values 50 45 40 35 30 Average teacher’s salary 25 20 15 10 5 0 16, 6 17, 1 17, 6 18, 1 18, 6 19, 1 Number of Students Per Teacher Y-Values
Correlation vs Causation Mexican Lemons Have Improved Highway Safety Global Warming has Pirates on the Rise
Time Series Data �A data set that is composed of quantitative entries taken at regular intervals over a period of time. �Use a time series chart to display the data. �Example (#32): Ground Beef prices: ‘ 94 ‘ 95 ‘ 96 ‘ 97 ‘ 98 ‘ 99 ‘ 00 ‘ 01 ‘ 02 ‘ 03 ‘ 04 ‘ 05 1. 38 1. 40 1. 42 1. 39 1. 53 1. 63 1. 71 1. 69 2. 23 2. 14 2. 30
Time Series Chart Ground Beef Prices 2, 5 2 1, 5 $ per pound 1 0, 5 98 19 99 20 00 20 01 20 02 20 03 20 04 20 05 19 97 19 96 19 95 19 19 94 0 Year
Who’s the better bowler? George Danny 185 182 135 185 200 188 185 250 180 155 190
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