AHS 2025 GEOG PRELIM P1 MS

ANGLICAN HIGH SCHOOL SECONDARY 4 PRELIMINARY EXAMINATIONS 2025 GEOGRAPHY Paper 1 MARKING GUIDE FOR TEACHERS 2279/01 22 August 2025 MAXIMUM MARK: 50 This document consists of 11 printed pages. Page 1 of 11

Question Answer Marks 1(a) A group of students were investigating the importance and popularity of wet markets for sustainable living in Singapore. There are currently 83 wet markets managed by the National Environment Agency (NEA) and NEA-appointed operators in Singapore, compared with 691 supermarkets. The students found data on the NEA website showing the decreasing public preference for wet markets and represented the information using a pie chart, as shown in Fig. 1.1. They decided to test the hypothesis: “Wet markets are becoming increasingly irrelevant in meeting the grocery needs of Singapore residents.” Using Fig. 1.1, suggest how the information is useful for this investigation. Possible responses include: • This secondary data provides evidence that points to an overall decreasing trend in the number of Singapore residents visiting the wet market from 2014 to 2018 [1 mark] • Backs the students’ hypothesis for investigation that assumes that wet markets are becoming increasingly irrelevant in meeting the grocery needs of Singapore residents [1 additional mark]. AO2 2 1(b)(i) The students decided to conduct a questionnaire, shown in Fig. 1.2 (Insert), with Singapore residents living in Fengshan GreenVille on a Wednesday afternoon. The questionnaire focused on how residents meet their grocery needs on a weekly basis. They aimed to survey 50 people, and their teacher instructed them to use the stratified random sampling method to conduct the interviews. Explain the advantages of using stratified random sampling method. Award 1 mark for each explanation of the advantages of the use of stratified random sampling method. Award a maximum of 1 additional mark for further development of each explanation, where applicable. Possible responses include: • Stratified random sampling involves using random number generator and respondents would be identified without bias as every subject in the population has an equal chance of being selected [1 mark]. • Students could select their samples by interviewing a proportionate makeup to the population [1 mark] such as based on gender, for e.g. if the proportion of people who source for the groceries are 70% females, students would then survey the proportion of female respondents accordingly [1 additional mark]. • A representation of re