1. ©G Dear 2008 – Not to be sold/Free to use
General Mathematics
Preliminary
Displaying
Data
Five Number
Summaries
Stage 6 - Year 11
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©G Dear 2008 – Not to be sold/Free to use

2. Five-Number Summaries
11, 15, 19, 24, 30, 36, 45, 48, 52, 61, 88.
Lower Extreme
Lowest Score
Lower Quartile
Q1 – 25%
Median
Middle Score – 50%
Upper Quartile
Q3 – 75%
Upper Extreme
Highest Score

3. Five-Number Summaries
11, 15, 19, 24, 30, 36, 45, 48, 52, 61, 88.
Lower Extreme 11
Lower Quartile 19
Median 36
Upper Quartile 52
Upper Extreme 88
11, 19, 36, 52, 88

4. Five-Number Ogive 11, 19, 36, 52, 88. Upper Extreme Q3
100% Q3
75%
Cumulative Frequency
Median
50% Q1
25%
Lower Extreme 10 20 30 40 50 60 70 80 90
Frequency

5. Five-Number Histogram1, 2, 4, 6, 9.
Upper Extreme
100% Q3
75%
Cumulative Frequency
Median
50% Q1
25%
Lower Extreme 7 1 2 3 4 5 6 7 8 9
Frequency