Chuyển đến phần nội dung
Luyện Nghe Tiếng Anh Chất
Tiếng Anh Chuyên Ngành
Listening Quiz: Giải Thích Khoảng Tin Cậy Cho Các Bên Liên Quan – Medium Level
Th3 30, 2024
—
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 purpose of Sophia’s explanation to Mark?
To persuade Mark to collect more data for a report
To compare confidence intervals with other statistics
To help Mark understand what a confidence interval means
To show how to calculate a confidence interval step by step
Explanation:
Sophia explains that a confidence interval is an estimated range, discusses the 95% confidence level, and explains what a wide interval means, all to help Mark understand the concept.
2.
According to Sophia, what does a wide confidence interval mean?
The data were collected too quickly
The result is less precise
The result is definitely correct
The result is more precise
Explanation:
Sophia says, ‘A wide interval means less precise information.’
3.
What confidence level does Sophia usually say is used for confidence intervals?
50%
90%
80%
95%
Explanation:
Sophia states, ‘Usually, we say 95% confident the true value is inside.’
4.
Why does Mark say, ‘This helps me explain to stakeholders’?
He plans to replace confidence intervals with guesses
He is still confused but trying to be polite
He now understands the concept better and can describe it to others
He wants Sophia to speak to the stakeholders instead of him
Explanation:
Mark says the explanation helps him, which implies he understands the idea better and feels able to explain it to stakeholders.
5.
How can the confidence interval be made narrower, according to Sophia?
By choosing a lower confidence level only
By ignoring small chances of error
By using fewer measurements
By collecting more data or improving methods
Explanation:
Sophia says, ‘Yes, by collecting more data or improving methods.’
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: Thảo Luận Về Ưu Tiên Vá Lỗi – Easy Level
Tiếp theo:
Listening Quiz: Xác Nhận Cảnh Báo Cho Đội Ứng Phó Sự Cố – Easy Level
→