Q:4 Selecting and justifying sampling strategy and population (5 Marks) Case Scenario 1: Selecting Sampling Strategy Stefan worked as a receptionist in a dental surgery with approximately 1500 patients. He wished to find out their attitudes to the new automated appointments scheme. As there was insufficient time and money to collect data from all patients using a questionnaire he decided to send the questionnaire to sample. The calculation of sample size revealed that to obtain acceptable levels of confidence and accuracy he needed an actual sample size of approximately 300 patients. Using the patient files kept in the filing cabinet as a sampling frame he decided to select his sample systematically Cane Scenario 2: Selecting Sampling Stratery Cari needed to select a sample of firms to undertake an interview-based survey about the use of photocopiats. As she had limited resoumas with which to pay for travel and other associated data collection costs, she decided to interview firms in four yo praphical areas salacted from a cluster proape of local administrative areas. A list of all local administrative areas formed bar sampling frame. Pach of the local administrative areas (clusters) was given a unique number, the first being the second 1 and so on. The four sample clusters were selected from this sampling frame of local administrative areas using simple random sampling Required: Identify the sampling strategy used in casel and Case 2 and justify your choices based on sampling strategies and target population (or sampla frano) used