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An International Journal for Teachers |
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COMPUTING CORNER
Dotplots and Stemplots in Excel p2 Neville Hunt
This article shows how to construct dotplots and stemplots using Microsoft
Excel 97.
PRACTICAL ACTIVITIES
Exploring a Queueing Problem Through Human Simulation p 4
Peter Barbella & Murray Siegel
A classroom activity where the students actively simulate different queueing
systems is described. Analysis of waiting times gives insight into the structure
of queueing systems and the issues to be considered in comparing them.
Generating Multivariate Normal Pseudo Random Data p 8 Terry
Moore
A matrix based method for generating Normal data.
COMPUTING CORNER
Learning about the Normal Distribution with a Graphics Calculator p.
13 Susan Jackman
This article describes how a graphics calculator can be used by students who
are learning about the Normal distribution. It also discusses the implications
of replacing the use of statistical tables.
A New Least-Squares Regression Model p. 17 Chris du Feu
This article describes simple apparatus for classroom demonstration of fitting
a least-squares regression line.
DATA BANK
Ups and Downs on the Roads p. 20 Sydney Tyrrell
Road casualty data provide examples for charts.
The Toothless Bathing Beauty and the t-test p. 22 Marie
E Revak & David B Porter
A simple and amusing class experiment is used to introduce many ideas of descriptive
and inferential statistics
How Many Excellent Grades Should Be Tolerated p 24 Henrik Dahl
This article describes an example that can be used to convey the ideas of
testing hypotheses.
Investigating Randomness via Simulation Using the TI-83 p. 27 Roger
W Johnson
Most students do not have a good grasp of the consequences of randomness.
Simulating random phenomena with unexpected outcomes sparks student interest
and discussion when presenting probability topics in class. TI-83 programs
for selected random phenomena are available from the author.
Letters to the Editor: Chris du Feu (11) Stephen Clarke (26) News & Notes (31) Look Ahead (31) Prize Crossword (Inside back cover)
IASE Matters (centre fold)
Please email: alison.davies2@ntu.ac.uk with any comments or corrections.
©
The Teaching Statistics Trust 2006. The Teaching Statistics Trust is a registered
charity.
ISSN 0141-982X (Print) ISSN 1467-9639 (Online)