(a) Write a Likert style question with five options (levels) for the level of agreement with the statement "Covid-19 infections are likely to disappear within the next five years". (b) Assume that you have been asked to plan a research project into how much time on average a UNISA students spends in studying per module. Describe a possible. sampling plan for the project, (i) using cluster sampling; (ii) using systematic sampling. [20] A questionnaire is being devised to collect data from a sample of South African adults to answer the following two research questions: A. Does the gender and marital status make a difference on a person's ideal holiday destination? B. Does the monthly salary received have an effect on a person's ideal holiday destination? Assess each of the questions below for inclusion in the questionnaire: Should the question be included or not? Explain your choices by discussing the necessity, relevance, clarity, and lack of bias of each of the suggested questions. (Note that you need to assess the questions as a researcher. We are not asking you to answer these questions yourself!) (a) Please indicate your gender (Male, Female) (b) Please indicate your age in full years. (c) What is your marital status? (Married, never married, divorced, widow). (d) Do you have children? (Yes, no). (e) If you could have a holiday anywhere at all, what destination would you choose? (Enter own choice). (f) Where did you go on your last holiday? (g) Would you take your children along on a holiday or leave them with a babysitter or relative? (h) How often do you travel away from home on holidays? (Several times per year, once per year, sometimes but not every year, never) (i) Do you think overseas holidays are a waste of money, when the money could rather be spent on savings or on paying off a home loan? (Yes, no, no opinion) (i) What is your monthly take-home salary? (Give amount in rands, rounded to the nearest thousand) [40]