Using an expository style that builds from simpler to more complex topics, this text explains how to measure the centre and variation on a single variable. It also considers ways to examine the distribution of variables and measure the spread of a variable.
This book describes how surveys are conducted in such a way that they can be believed, explains how to read statistical reports and analyze data and provides guidelines that are useful in evaluating polls.
This book describes how surveys are conducted in such a way that they can be believed, explains how to read statistical reports and analyze data and provides guidelines that are useful in evaluating polls.