Tayren Research Methodology Collection Collection Introduction

tayren research methodology collection collection introduction

A sample is said to be random when each unit in the population has the same chance of being chosen as each of the others in the population. For example, if we put the names of all patients on the Asthma register on a piece of paper, put them in a hat then draw out only 75 of them whose records we wish to examine for audit purposes then each patients record would have the same chance of being picked as any others on the asthma register. The sample should therefore be representative of the population of asthma sufferers in the practic