Walker Maths 2.9 Statistical Inference: Level 2 Ncea

Description

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.

Author description

Charlotte Walker BEd, GradDipTchLn, MHealSc.Charlotte has over 10 years' experience in teaching Mathematics. Victoria Walker BSc (Hons), GradDipTchLn. Victoria has twenty years' experience in teaching Mathematics. She has received a Jim Campbell award for teaching excellence (2003) and an Ernest Duncan award in Mathematics (2007).

Table of contents

Formulae Glossary Introduction Purpose Statistics Plotting data Dot plot Box plot Putting it together Box plot interpretation Writing questions Sampling Types of sampling Sampling method Describing and comparing sample distributions Comparing the centres Describing the shape Comparing the shapes Comparing the positions and sizes of the spreads Discussing the overlap Describing any unusual features Confidence intervals Calculating confidence intervals Comparing confidence intervals Sampling variability Reflections Practice tasks Answers