An agricultural researcher is investigating the sugar content (measured in degrees Brix) of apples in a commercial orchard. The orchard contains 1,200 apple trees, split across three distinct varieties: Royal Gala (600 trees), Honeycrisp (400 trees), and Braeburn (200 trees). The researcher intends to select a sample of 60 trees to perform the analysis.
Identify an appropriate sampling technique for this investigation and justify your choice.
Practise AQA A Level Psychology Scientific processes with exam-style questions for A Level Psychology. 689 questions, matched to the AQA A Level Psychology (7182) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.