Chuyển đến phần nội dung
Luyện Nghe Tiếng Anh Chất
Tiếng Anh Chuyên Ngành
Listening Quiz: Giải Thích Phương Pháp Phân Tích Và Giới Hạn – Advanced Level
Th11 12, 2025
—
bởi
Anna Phạm
trong
Tiếng Anh Thương Mại (English for Business)
‹
1
2
3
4
5
›
1.
What is Sarah mainly explaining to Mark?
Why the company should ignore external factors
The method, data, and limitations of an analysis
How to fix missing sales records manually
How to conduct a sales meeting
Explanation:
Sarah explains that they used a regression model, included five years of sales data, handled missing data, tested accuracy, and discussed limitations.
2.
What data did Sarah include in the model?
Data from all company departments
Sales data only from the current year
Sales data from the last five years
Customer survey results from this month
Explanation:
Sarah says, ‘We included sales data from the last five years.’
3.
How did Sarah handle missing data?
She removed the affected records
She ignored the missing data completely
She asked Mark to find the missing numbers
She filled them in using mean values
Explanation:
Sarah says they handled missing data by using mean values.
4.
What can be inferred about the model’s performance when the real data is non-linear?
It might be less accurate
It will definitely stop working completely
It can only be used for external factors
It may be more accurate than expected
Explanation:
Sarah says the model assumes linear relationships only and that this might affect accuracy if the real data is non-linear.
5.
What did Sarah use to check the model’s accuracy?
Regression assumptions
External factors
Mean values
Cross-validation
Explanation:
Sarah says, ‘Yes, we used cross-validation to check accuracy.’
Previous
Check
Next
Finish
Reset
Luyện tập thêm về bài học này:
Listening Lesson
Vocabulary Flashcards and Quiz
←
Trước đó:
Tiếng Anh Quản Lý Thương Hiệu: Thảo Luận Rủi Ro Thương Hiệu Với Nhân Vật Gây Tranh Cãi – Medium Level
Tiếp theo:
Tiếng Anh Xuất Nhập Khẩu: Thăm Nhà Phân Phối Và Tham Gia Các Cuộc Gọi Khách Hàng – Advanced Level
→