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Listening Quiz: Chọn Thiết Kế Lấy Mẫu Tốt Nhất Cho Khảo Sát Đa Dạng Sinh Học – Medium Level
Th4 10, 2025
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bởi
Anna Phạm
trong
Tiếng Anh dành cho Nhà sinh học (English for Biologist)
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1.
What are Kevin and Mia mainly discussing?
When to divide a survey area into equal squares
How to identify rare species in a forest
Which sampling design is best for a biodiversity survey
Why random sampling is always the most accurate method
Explanation:
They discuss different sampling designs for a biodiversity survey and conclude that stratified sampling is the most reliable.
2.
Why does Kevin recommend stratified sampling?
It always finds every rare species
It divides the area into smaller parts called strata
It is the simplest method to carry out
It requires no planning before the survey
Explanation:
Kevin says stratified sampling works well because it divides the area into smaller parts or strata.
3.
What concern does Kevin mention about random sampling?
It always takes too much time
It can only be used in small areas
It gives a better picture of diversity
It may miss rare species
Explanation:
Kevin explains that random sampling is simple but may miss rare species.
4.
What can be inferred about Mia after the conversation?
She thinks random sampling is the best method
She wants to abandon the survey completely
She agrees to use stratified sampling for the survey plan
She prefers systematic sampling because it is unbiased
Explanation:
At the end, Mia says she will prepare the plan using stratified sampling, showing that she agrees with Kevin’s recommendation.
5.
Why does Kevin mention that systematic sampling can be biased?
To show why stratified sampling is the better choice
To explain how to divide the area into strata
To prove that random sampling is useless
To suggest that no sampling design should be used
Explanation:
Kevin compares the options and says systematic sampling can be biased, supporting his point that stratified sampling is more reliable.
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