A Level Business Studies - Market Research Facts
Market Research Fact Sheet Sample size and sample accuracy: what they are and how they interact Sample size is the number of people or units included in a sample. In order to get an accurate sample size then a lot of people need to be chosen. As more people are asked in a sample, then it will become more expensive and time consuming so it is a trade-off. Quota, Stratified and Random Sampling: definitions and examples Quota sampling has an aim to obtain a sample which represents the thoughts and opinions of the overall population. Quota sampling gives the researcher an accurate sample of the population, but this is not a random sample, so there is a sense of bias. The sample is reflective of the traits of the whole population, however this can be difficult to do as it involves understanding the entire population of a place. For example, if the percentage of males and females in a location is 49% to 51% and 100 people are asked, there will need to be 49 men and 51 ...