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Walker Maths 3.10 Statistical Inference - 9780170425711

Walker Maths 3.10 Statistical Inference

Charlotte Walker, Victoria Walker

$8.14

ISBN-13: 9780170425711
Published: 22/10/2018
Available Stock: 1233

Overview

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.

A Walker Maths Digital Teacher Resource is available for $9.95 per year for a single download. Each Digital Teacher Resource includes a Walker Maths projection file. Plus a selection of
• Worksheets
• Extra questions
• Teacher notes
• Videos
• Puzzle sheets
• Practice quizzes
• Worked solutions

Schools qualify by adopting the corresponding workbook. Please contact your Learning Consultant for more information or email nz.sales@cengage.com

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