a. Determine whether each of the following statements is True or False. i. Inferential statistics refer to taking a sample from a population and making estimates about the population. ii. The examination grades (A to F) are examples of the nominal scale of measurement. iii. Mail questionnaire is the most expensive method of data collection. iv . An advantage of a face-to-face interview as a data collection method is the high response rate. V . The method of dividing the population elements into two groups based on gender and then select a simple random sample from each group is called systematic sampling. (5 marks) b. Identify the variable as qualitative, quantitative continuous, or quantitative discrete. Health conditions of residents in Taman Puncak Utama. Time taken for a student to complete a certain task. iii Number of drivers who received a speeding summon in Selangor last month. iv. Distance students travel to class. V . Student's state of birth. (5 marks) C. The human resource manager of Setia Budi Group is interested in studying the job satisfaction level of the employees. There are 40 employees in the Accounts Department, 60 in the Production Department and 20 in the Administration Department. Only 30 employees will be randomly selected as a sample. i. Identify the population for the above study. (1 mark) ii. State the sampling frame for the above study. (1 mark) iii. Name the variable of interest for the above study. State its type and its level of measurement. (3 marks) iv. What method of sampling would you use? Give a reason for your answer (2 marks) V . Suggest a suitable data collection method for the above study. Give one advantage and one disadvantage of using this method