Class

Week

Time: 2hrs Total of 4hrs

(Part 2 of 2):
Lesson No.
Mental Starters
Learning Outcomes
Key Vocabulary
Introductory Ideas
Main Activity
Plenary
Resources
L3

1 hr
OHS HD3a/2: Typical Teens' Trainers 1
Use tables to find any of median, mode, mean and range for some teen habits, using everyday language:
Smallest? Largest? Range?(740.751) Most popular? (n/a). Why? Middle value? (8.648) Mean? (1056 / 11 = 96). Most useful statistics?
- To be able to draw conclusions from the diagrams.
- To be able to find the range and averages (mean, median or mode), as appropriate.
- To be able to draw conclusions from statistical calculations: range & one average (mean / median / mode).
statistics
average
mean
median
mode
modal class
modal group
range
discrete
distribution
Discuss:

- why it's sometimes more useful to compare two sets of data, than to just analyse one set.

- how to compare two sets of data. advantages of 2 sets of data on one graph; problems with doing this on a pie chart.

- which average is typical for data? Range?

ALSO USEFUL:
BGfL's Quiz Creator
- design tailored worksheet to test pupils on yesterday's lesson / today's Starter.
Comparing & Analysing

1) Comparison of girls' data v boys' data. Eg: ICT-generated bar charts and pie charts - allow wide variety of display types to be explored.

2) Analysing differences between girls' and boys' TV habits.
Eg: Boys usually watch TV for 2 hours a day more than girls.
Or: Girls prefer Comedy, whereas boys' prefer Films.

OR Comparing Data Using Averages
OR Comparing Data Using Graphs
OR BGfL's B'ham Weather Station Data
Review advantages and disadvantages of using each of mean, median and mode as 'typical' averages.
OHS HD3a/2: Typical Teens' Trainers 1
L4

1 hr
OHS HD3a/3: Typical Teens' Trainers 2
Use as above where possible, using bar chart:

Which questions are easier to answer from graph instead of table?
- To be able to write a short report.
 
Review main steps using heading, such as:

Planning
a) Decide on relevant data;
b) Research possible sources;
c) Plan data collection sheet;
d) Design data collection sheet.

Constructing
a) Decide how to use data to answer Q
b) Choose best diagram
c) Choose scales.
d) Comparing 2 sets of data on 1 diagram?

Analysing
a) Which average? Range?
b) Conclusion

OR
BGfL's Quiz Creator
- design to test pupils on main steps.
Reporting

including:
- Conclusions to answer original questions
- Diagrams & charts: usefulness.
- Difficulties and ambiguities; how addressed.
Eg: Initial oral presentation by each group to whole class, (allocating one heading per member) followed by written report.
Discussion on how each group used the agreed headings.

Collaborative agreement on whole-class conclusion.
OHS HD3a/3: Typical Teens' Trainers 2