Neco 2017 Geography Question 43
Practice objective / multiple choice question 43 from the 2017 Neco Geography examination.
In a 1 ha plot the following numbers of individuals of four plant species were recorded: Species A - 40, Species B - 25, Species C - 20, Species D - 15. Using Simpson's diversity index \(D = \frac{\sum n_i (n_i-1)}{N(N-1)}\) where \(n_i\) is the number of individuals of species \(i\) and \(N\) is the total number of individuals, compute the Simpson's diversity index (expressed as \(1-D\)) to three decimal places.
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About This Question
This is Neco 2017 Geography Question 43. It is one of the objective questions from the 2017 Neco Geography examination.
Difficulty level: Medium .
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