1. In your GNBs find the Median life expectancy for any two continents from the four above.
Once you have found this, find the Lower Quartile, Upper Quartile and InterQuartile Range for your two continents

2. Answers (in years)
Europe: Median = 78, LQ = 77, UQ = 79 S. America: Median = 72, LQ = 70, UQ = 75 Asia: Median = 69, LQ = 65, UQ = 71.5 Africa: Median = 45, LQ = 38, UQ = 51.5

3. Cumulative frequency diagrams
Year 11: IAR #1 Revision
Area of Triangles
Sine & Cosine Rule
Cumulative frequency diagrams
Box & Whisker
Histograms

4. Area of non right angled triangles

5. Give each to 3 s.f.

6. Side-Angle-Side OR Side-Side-Side
SAS or SSS
Cosine Rule

8. 4 22 90
169
200

9. 30 40 50 60 70 80
100
150
200
Cumulative freq
Hours worked 4 22 90
169
200

10. 30 40 50 60 70 80
100
150
200
Cumulative freq
Hours worked x 4 22 90
169
200 x x x x x

11. 30 40 50 60 70 80
100
150
200
Cumulative freq
Hours worked x 4 22 90
169
200 x x x x x

12. 30 40 50 60 70 80 100 150 200 Cumulative freq Hours worked x 4 22 9030 40 50 60 70 80
100
150
200
Cumulative freq
Hours worked x 4 22 90
169
200 x x
LQ = 55 hours x x x

13. 30 40 50 60 70 80 100 150 200 Cumulative freq Hours worked x 4 22 9030 40 50 60 70 80
100
150
200
Cumulative freq
Hours worked x 4 22 90
169
200 x x
LQ = 55 hours x
LQ = 68 hours x x

14. 30 40 50 60 70 80 100 150 200 Cumulative freq Hours worked x 4 22 9030 40 50 60 70 80
100
150
200
Cumulative freq
Hours worked x 4 22 90
169
200 x x
LQ = 55 hours x
LQ = 68 hours
IQR = 68 – 55
= 13 hours x x

15. 30 40 50 60 70 80
100
150
200
Cumulative freq
Hours worked x 4 22 90
169
200 x x
If we’d been asked for the median x
Median = 62 hours x x

16. I’ll use the age data from the previous presentation.
A box and whisker diagram can easily be drawn using a cumulative frequency diagram.
The projected population of the U.K. for 2005
( by age )
I’ll use the age data from the previous presentation.
The box can be any depth.
minimum age
One whisker
The box
The other whisker
median
maximum age
lower quartile
upper quartile

17. The diagram can easily be drawn using a cumulative frequency diagram.
The projected population of the U.K. for 2005
( by age )
I’ll use the age data from the previous presentation.
median
minimum age
maximum age
lower quartile
upper quartile

18. The diagram can easily be drawn using a cumulative frequency diagram.
The projected population of the U.K. for 2005
( by age )
I’ll use the age data from the previous presentation.
We need a scale.
100 50
Age (years)

19. Now draw a box and whisker plot from a given set of data
(i.e. not a cumulative freq diag) P459 Q9

20. Page 458 Q7