here is the question

ou have been asked to design a cluster random sample survey on public sector orkers to examine whether satisfaction on working conditions of employees ries between different job types. Discuss in no more than three sentences how you will choose your sampling frame. Also discuss the limitation(s) of your choice. Propose two relevant clusters. Justify your choices. Discuss in no more than two sentences, how selection bias could affect the results in the context of this survey. Briefly discuss the statistical methodology you would use to analyse the collected data