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Walker Maths 3.10 Statistical Inference

By | Copyright Year:2019 | ISBN-13: 9780170425711

Walker Maths is a series of single standard workbooks containing high-quality, up to date material at NCEA Mathematics levels 1, 2 and 3.

The well-designed, write-on workbooks contain teaching material, including relevant formulae, and ample practice exercises along with sample tasks and questions. The workbooks reflect the content and style of the new standards, and allow teachers total flexibility in course design for students at all levels.

As a single standard series, Walker Maths offers Maths department the ability to buy titles all at once, or throughout the year as required. Projection Files are also available for all standards, please contact your Sales Representative for more details.

CONTENTS

Glossary

Introduction

Revision
Types of variables
Box plots
Shapes of distributions
Use of medians and means
Finding random numbers on a scientific calculator
Finding random numbers on a graphics calculator

Sampling variability

Resampling

The difference between two medians (or means)
Computer program output
Does sample size make a difference?

Setting up your investigation
1 Select suitable data
2 Pose an appropriate question and identify the population
3 Define the variables
4 State the purpose and who would find it useful

Describe and compare sample distributions
Compare the centres
Compare the shapes
Compare the positions, sizes and overlaps of the spreads
Describe any unusual features

Making a formal inference about the difference between the medians

Making a formal inference about the difference between the means

Communicate your findings in a conclusion

Writing about statistical inference

Pick the errors

What is the population?

Putting it all together
Annotated example

Practice tasks

Answers

Data Cards
Removable section in centre of book

ABOUT THE AUTHOR

Charlotte Walker BEd, GradDipTchLn, MHealSc. Charlotte has nine years' experience in teaching Mathematics, and is currently Assistant HOD of Mathematics and Dean of Year 9 at Darfield High School.

Victoria Walker BSc (Hons), GradDipTchLn.Victoria has twenty years' experience in teaching Mathematics, and is currently Teacher of Mathematics and Specialist Classroom Teacher at Riccarton High School. She has received a Jim Campbell award for teaching excellence (2003) and an Ernest Duncan award in Mathematics (2007).

FEATURES

New, fresh and up to date content.

Cost effective write-on workbooks for individual standards allows for flexibility in course design.

Rigorous trialling of both text and answers.

Clearly modelled worked examples, with plenty of practice opportunities.

A high standard of design and production – the clean design allows for plenty of open space and text.

$6.82