Nadia conducted a study on academic performance of students from Sebokolodi CJSS in Marung village. Some of the findings are presented in the graph below (% pass: 2009 — 70, 2010 — 72, 2011 — 45, 2012 — 64, 2013 — 60).

1. (a) Where was the study conducted? [1]
2. (b) Suggest any two methods of data collection which the researcher could have used. [2]
3. (c) Suggest any three possible aims of the study. [3]
4. (d) Suggest one problem that could have been encountered by the researcher. [1]

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