1. Box and Whisker Plots

4. Lesson Aims Compare sets of data using BOX AND WHISKER PLOTS (7a)
To do that you must be able to:
Drawing box and whisker plots (7b)
Reading key information of box and whisker plots (7b)

5. Avengers Assemble!

6. Power 97 1st 2nd 3rd 4th 5th 6th 7th 34 55 81 95 100 90 Lower Quartile
Median
Upper Quartile
Highest value
Lowest value

7. Cunning 91 49 58 85 90 100 1st 2nd 3rd 4th 5th 6th 7th 87
Lower Quartile
Median
Upper Quartile
Highest value
Lowest value

8. What are the differences between the teams Power and Cunning?
Range
(Spread of all data)
Power
Cunning
Interquartile range
(Spread of middle 50% of data)

9. Select Your Team!

10. Instructions
Draw 2 box and whisker plots for your team, 1 for their cunning and 1 for their power.
Write in your books 3 differences between the two plots
Now add 4 soldiers to your team and draw the new box plots, what has changed? Write the differences down in your book
Put the soldiers back (they’ve done their time) and randomly pick 4 super heroes. Draw the new plots, what has changed now? Write the differences in your book.

11. A B Progress Check Which set of data contains the largest value? A B10 20 30 40 50 60 70 80 90
Which set of data contains the largest value? A B

12. Instructions
Shuffle the heroes and give everyone on your table 11 cards
Draw 2 box and whisker plots for your team, 1 for their cunning and 1 for their power.
Write in your books 3 differences between the two plots
Now add 4 soldiers to your team and draw the new box plots, what has changed? Write the differences down in your book
Put the soldiers back (they’ve done their time) and randomly pick 4 super heroes. Draw the new plots, what has changed now? Write the differences in your book.

13. A B Progress Check Which set of data has the largest range? A B 10 2010 20 30 40 50 60 70 80 90
Which set of data has the largest range? A B

14. Instructions
Shuffle the heroes and give everyone on your table 11 cards
Draw 2 box and whisker plots for your team, 1 for their cunning and 1 for their power.
Write in your books 3 differences between the two plots
Now add 4 soldiers to your team and draw the new box plots, what has changed? Write the differences down in your book
Put the soldiers back (they’ve done their time) and randomly pick 4 super heroes. Draw the new plots, what has changed now? Write the differences in your book.

15. Which set of data has the largest interquartile range?
Progress Check A B 10 20 30 40 50 60 70 80 90
Which set of data has the largest interquartile range? A B

16. Instructions
Shuffle the heroes and give everyone on your table 11 cards
Draw 2 box and whisker plots for your team, 1 for their cunning and 1 for their power.
Write in your books 3 differences between the two plots
Now add 4 soldiers to your team and draw the new box plots, what has changed? Write the differences down in your book
Put the soldiers back (they’ve done their time) and randomly pick 4 super heroes. Draw the new plots, what has changed now? Write the differences in your book.

17. Heroes and Super Heroes
Just Heroes 10 20 30 40 50 60 70 80 90
100
Heroes and Soldiers 10 20 30 40 50 60 70 80 90
100
Heroes and Super Heroes 10 20 30 40 50 60 70 80 90
100

18. Which set of data has the largest median?
Progress Check A B 10 20 30 40 50 60 70 80 90
Which set of data has the largest median? A
C the same B

19. Instructions
Shuffle the heroes and give everyone on your table 11 cards
Draw 2 box and whisker plots for your team, 1 for their cunning and 1 for their power.
Write in your books 3 differences between the two plots
Now add 4 soldiers to your team and draw the new box plots, what has changed? Write the differences down in your book
Put the soldiers back (they’ve done their time) and randomly pick 4 super heroes. Draw the new plots, what has changed now? Write the differences in your book.

20. Lesson Aims Compare sets of data using BOX AND WHISKER PLOTS (7a)
To do that you must be able to:
Drawing box and whisker plots (7b)
Reading key information of box and whisker plots (7b)
Be aware of positive and negative skew, e.g what happens when you have lots of small values or lots of big values (level 8)

21. Plenary A B 10 20 30 40 50 60 70 80 90
A and B represent teams of super heroes, each team has 10 members. The earth is in trouble, which team would you want to protect you?
Write in your books which team you would pick and why.
Stand up if you picked team A