Q4 · Practice questionSimple familiar1 mark
QUESTION 4
A grass species occurs in 9 of 15 quadrats. What is its percentage frequency?
(A)
60%
(B)
9%
(C)
15%
(D)
67%
WORKED SOLUTION
1 markAnswer A
Answer
A
Working
Percentage frequency is the proportion of quadrats in which the species occurs: . It is not the fraction of quadrat area covered.
Marking criteria
- Select A. [1 mark]
Practice question aligned to the current QCAA syllabus; review the worked solution and marking criteria.
View the QCAA syllabus