1 Press Ctrl-A ©G Dear2009 – Not to be sold/Free to use Comparison of Data Sets Stage 6 - Year 12 General Mathematic (HSC)

Mathematics English Stem-and-Leaf-Plot Comparisons Range MathematicsEnglish = 28- 5= = 21 English has a smaller spread of scores. more consistent English is more consistent than Mathematics. End of Slide

Median MathematicsEnglish = 15 = 14 higher Mathematics has a higher middle score. better Mathematics has performed better. Stem-and-Leaf-Plot Comparisons End of Slide Mathematics English 9 7

Interquartile Range MathematicsEnglish = 18 = 17 Q1 Q3 Q1 Q = 9 = 14 middle 50% Mathematics has a smaller spread of the middle 50% of scores. more consistent Mathematics is more consistent. Stem-and-Leaf-Plot Comparisons End of Slide

5 Box-and-Whisker Plot Comparisons English Math Range MathematicsEnglish = 18- 5= 13= 17- 2= 15 smaller Mathematics has a smaller spread in the range. more consistent Mathematics is more consistent. End of Slide

English Math Median MathematicsEnglish = 13= 9 a higher middle score Mathematics has a higher middle score. better Mathematics has performed better. Box-and-Whisker Plot Comparisons End of Slide

English Math Interquartile Range MathematicsEnglish = 17- 7= 10= 16- 3= 13 more consistent Mathematics is more consistent. smaller spread middle 50% Mathematics has a smaller spread of the middle 50% of scores. Box-and-Whisker Plot Comparisons End of Slide

8 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Only general comments can be made easily. Radar Chart Comparisons End of Slide

9 Only general comments can be made easily End of Slide Area Graph Comparisons

10 Males Females Blue Blue Eyes Brown Brown Eyes Totals Blue Blue Eyes Males% = x 100%≈ 19% Brown Brown Eyes% = x 100%≈ 52% Females Females% = x 100%≈ 71% End of Show Data Table Comparisons