A marine biologist is researching the growth rate of juvenile triploid rainbow trout at a commercial fish farm. The hatchery manager has provided a digital register of all 320 tagged trout currently held in Tank C.
Explain how the biologist could use a random number generator to select a simple random sample of 25 trout from Tank C for detailed measurement.
689 exam-style questions on AQA A Level Psychology Scientific processes. Each one has a worked solution and a mark scheme showing where the marks go.