A quality control manager at a manufacturing plant wants to sample 80 lightbulbs from a daily production run of 4800 lightbulbs using systematic sampling. The manager randomly selects the 13th13\text{th}13th lightbulb produced as the starting point.
Assuming the production list acts as a complete sampling frame, what is the production index of the 5th5\text{th}5th lightbulb selected for the sample?
240240240
253253253
313313313
333333333
644 exam-style questions on OCR A Level Psychology Research methods and techniques. Each one has a worked solution and a mark scheme showing where the marks go.