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Populations In statistics the term "population" has a slightly different meaning from the one given to it in ordinary speech. It need not refer only to people or to animate creatures - the population of Britain, for instance or the dog population of London. Statisticians also speak of a population of objects, or events, or procedures, or observations, including such things as the quantity of lead in urine, visits to the doctor, or surgical operations. A population is thus an aggregate of creatures, things, cases and so on. Although a statistician should clearly define the population he or she is dealing with, they may not be able to enumerate it exactly. For instance, in ordinary usage the population of England denotes the number of people within England's boundaries, perhaps as enumerated at a census. But a physician might embark on a study to try to answer the question "What is the average systolic blood pressure of Englishmen aged 40-59?" But who are th...

INTRODUCTION Statistics  is the method of conducting a study about a particular topic by collecting, organizing, interpreting, and finally presenting data. Being a statistician at an elementary level may simply mean noticing patterns in daily circumstances and drawing conclusions about those patterns. On a grander scale, statisticians may spend months or years conducting a study before they can produce meaningful analysis of information. Statistics is its own community, with rules, procedures, and policies all built on simple mathematical principles. Stages in the Statistical Process The statistical process guides genuine study, and statisticians are exacting in their methodologies. The major steps of statistics are explained in a simplistic form as follows: Planning a study: There must be a subject that requires investigation. Planning entails deciding what instruments (interviews, surveys, etc.) to use, who to speak with, and how to analyze findings....

Psychology is the study of people: how they think, how they act, react and interact. This subject is concerned with all aspects of behaviour and the thoughts, feelings and motivations underlying such behaviour. In a sense, many of us are already psychologists. We are interested in what makes people tick and have our own theories about why people behave in the ways that they do. Psychology as a  science  aims to give a clearer picture using tests and assessments of behaviour and that is why you will learn how to use scientific methods and statistics when you study psychology. We have two Psychology degrees: Psychology and Psychology (Applied). The difference between the degrees is one of emphasis. While both degrees will look at explanations for people's behaviour, Psychology (Applied) is particularly concerned with psychology's relevance to a range of everyday issues such as health, education, technology, and neuropsychological rehabilitation. If you want a degree cour...