Annagrew28

This summary discusses and explains; - The overall summary of what you need to know for the topic. - Mean, mode, median and range and when to use each. - Measures of data location (quartiles and interquartile range) - Measures of spread. - Explains in depth what variance and standard deviation is, the formula, what it means and how to use these to answer questions - Briefly discusses coding - Includes a short overall summary of bullet points

This document contains - The chapter overview. This is a list of bullet points of things you need to know for this topic. - Definitions, advantages and disadvantages of population and the different types of sampling. - Explains the various types of random sampling you need to know, there pros, and cons. -Types of data and when to use each. - Explains how to read and interpret data tables - Contains a final summary. This is great for looking over just before a test/ exam as it is condensed...

Summary 1 Topic- Averages and Spread This summary looks at chapter 1 of the book. It describes the different types of measures of data and when to use each. It also explains the different formulas used in the topic and what they mean, when to use each etc. Briefly discusses 'coding' Short summary at the end with definitions etc (great for glancing at right before test/exam) Summary 2 Topic- Data Collection Similar format to summary 1, broken into 3 parts Part 1 explains difference b...