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Listening Quiz: Kết Quả Kiểm Tra A/B Tạm Thời – Easy Level
Th1 8, 2025
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bởi
Anna Phạm
trong
Tiếng Anh dành cho Nhà khoa học dữ liệu (English for Data Scientist)
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1.
What is the main topic of the conversation?
A plan to redesign both versions A and B
A complaint about slow website performance
A meeting to train staff on statistical testing
A discussion of interim A/B test results and deciding which version to use
Explanation:
Kevin and Sarah discuss interim A/B test results, compare versions A and B, and decide to stop the test and implement version B.
2.
How much better is version B than version A in terms of clicks?
20% more clicks
10% more clicks
5% more clicks
15% more clicks
Explanation:
Kevin says that version B has 15% more clicks than version A.
3.
What does Kevin say about the p-value?
It is less than 0.05
It has not been calculated yet
It is greater than 0.10
It is exactly 0.05
Explanation:
Kevin answers Sarah’s question by saying the p-value is less than 0.05.
4.
What does Kevin recommend they do?
Restart the test with version A
Stop the test and choose version B
Continue the test and gather more data
Compare the results again next week
Explanation:
Kevin recommends stopping and choosing version B.
5.
What can be inferred about Sarah after Kevin gives the results?
She wants to cancel the project entirely
She believes version A is definitely better
She is ready to accept version B if the evidence is strong
She does not trust any test results
Explanation:
Sarah asks whether the difference is statistically significant and whether they have enough data, then agrees to stop and implement version B once Kevin confirms these points.
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