Petersen capture-recapture formula (AQA GCSE Statistics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What does the Petersen method estimate?
What does the Petersen method estimate?
Population size
What is the first step in the method?
What is the first step in the method?
Marking animals
What does 'M' represent in the formula?
What does 'M' represent in the formula?
Marked animals in first capture
What is the formula for population size?
What is the formula for population size?
N = M × n / m
What assumption is crucial for accuracy?
What assumption is crucial for accuracy?
Equal survival rates
What does 'n' represent in the formula?
What does 'n' represent in the formula?
Recapture sample size
Why must marks remain visible?
Why must marks remain visible?
To ensure accurate counting
Which of the following is a key step in ensuring accurate calculations?
Which of the following is a key step in ensuring accurate calculations?
Double-checking units used
What should the total population be larger than?
What should the total population be larger than?
Both sample sizes
What is 'm' in the formula?
What is 'm' in the formula?
Marked in recapture