Donny Consultant Company conducts a survey to find out the vaccination preferences of the residents in the country X. The people are divided into 3 groups according to their education levels. The residents are grouped based on the education levels as follows: Primary education Secondary education Tertiary education : 20% : 65% : 15% The consultant company believes that there may be a significant difference in the vaccination preferences among different education groups. The company would like to select 40 residents to see their vaccination preferences. In addition, the company also wants to know the number of times that the residents exercise outdoors each week. Required (a) Identify the target population and the sample for this survey. (2 marks) (b) Which sampling method would you recommend? Explain how the sample elements are selected under your recommended sampling method. (5 marks) (c) In view of the COVID-19 outbreak, which data collection method would you suggest? What are the advantages of your suggested method? (3 marks)