Chuyển đến phần nội dung
Luyện Nghe Tiếng Anh Chất
Tiếng Anh Chuyên Ngành
Listening Quiz: Vì Sao Chúng Ta Cần Thu Thập Lại Bộ Dữ Liệu – Easy Level
Th9 9, 2025
—
bởi
Anna Phạm
trong
Tiếng Anh dành cho Nhà khoa học dữ liệu (English for Data Scientist)
‹
1
2
3
4
5
›
1.
What is the main topic of the conversation?
How to choose software for data collection
How to analyze data results correctly
A problem with the dataset and how to fix it
Why Sarah disagrees with Mark’s results
Explanation:
Mark explains that the dataset has sampling bias, which means it does not represent everyone, so they need to collect new data.
2.
What problem does Mark say the data has?
It contains sampling bias
It is missing too many records
It was stored in the wrong format
It was collected too slowly
Explanation:
Mark directly says, ‘The data has sampling bias.’
3.
According to Mark, what does sampling bias mean?
The data does not represent everyone
The results were shared too late
The sample was too large
The data was collected from only one location
Explanation:
Mark explains that sampling bias means the data does not represent everyone.
4.
Why does Mark say they need to collect new data?
Because the old data will not help them make any decisions
Because Sarah wants to change the research topic
Because the sample was already approved
Because the current results would be wrong if they used the biased data
Explanation:
Mark says that because the data has sampling bias, their results will be wrong, so they need new data.
5.
What will they do next?
Collect new data with a better sample
Analyze the current data again
Ask Sarah to explain sampling bias
Stop the project permanently
Explanation:
Mark says they need to collect new data and that next time they will select a better sample, and Sarah says, ‘Let’s start again.’
Previous
Check
Next
Finish
Reset
Luyện tập thêm về bài học này:
Listening Lesson
Vocabulary Flashcards and Quiz
←
Trước đó:
Tiếng Anh An Ninh Mạng: Chính Sách Sử Dụng Chấp Nhận Được Mới – Easy Level
Tiếp theo:
Listening Quiz: Xin Phép Điều Trị Cho Bệnh Nhân Chưa Thành Niên – Medium Level
→