1 / 8MPH 6011 Final Exam 20231. T/F: In studies where the research question is looking at the cause of dis- ease, either a representative sample or a purposive sample can be used.: answer- true2. A simple random sample has certain assumptions. Which of the options below is an assumption underlying a simple random sample (Select all that apply)?a. The probability of being selected is based on having specific characteristicsb. Selection into sample is independent between each memberc. The prevalence of health indicators will always be at least 25%d. Probability of selection is the same for everyone: answer- b. Selection into sample is independent between each memberd. Probability of selection is the same for everyone3. The mean blood pressure in a sample of people from a population is 110 over 70. For the sample to be representative of the overall population, the overall population mean would have to be:: answer- Similar to 110 over704. A design feature in experimental studies that creates equal probability in treatment assignment is what?: answer- randomization2 / 85. T/F: One purpose of randomization is to eliminate differences in measuredand unmeasured characteristics between the treated and untreated groupsin the study.: answer- true6. The primary purpose of