statistics & probability

A researcher has conducted a study to measure the performance of students in Diploma in Accounting from XM College with 100 of them being selected as a sample. The researcher wants to investigate whether there is a relationship based on cumulative grade point average (CGPA) and the average number of hours of study per week. i) Determine the population and sample for this study. ii) State the sampling frame for this study. iii) Identify the appropriate sampling technique for this study and give ONE (1) reason of the chosen technique. iv) Determine the best data collection method and give ONE (1) advantage of the chosen method