QUESTION :

A university iecturer is doing a survey resaerch to obtain feedback on the learning material on certain subjects posted on the web page. Altogether, there are 159 students enrolled in the course. A total of 40 student will be randomly selected. a] State the population and sample of this resarch. b} State the variable of interest and determine its type. c] State the appropriate sampling technique for this research and give one reason for using this technique. d} Expiain howr to select til] students as respondents out of 160 students if the lecturer uses the systematic random sampling technique. e] What is the most appropriate method of data collection to be used in this research? Explain DHE advantage and ONE disadvantage of using such a method