This essay will examine the main forms of both probability and non-probability sampling. Although there are several sampling methods, for the purposes of this essay three specific examples will be discussed. These are: simple random sampling; cluster sampling; and snowball sampling. I will then explain the sampling method that I would use to sample a[…]
Executive Summary The aim of this paper is to explain the basic theory of correlation and how it is calculated manually from a data set. The purpose is to give the reader a sound understanding of the subject and then be confident enough to calculate the correlation figure from any data set if and when[…]