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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 discussion of interim A/B test results and deciding which version to use
A complaint about slow website performance
A plan to redesign both versions A and B
A meeting to train staff on statistical testing
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
15% more clicks
5% more clicks
10% 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 has not been calculated yet
It is greater than 0.10
It is less than 0.05
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?
Compare the results again next week
Continue the test and gather more data
Stop the test and choose version B
Restart the test with version A
Explanation:
Kevin recommends stopping and choosing version B.
5.
What can be inferred about Sarah after Kevin gives the results?
She believes version A is definitely better
She does not trust any test results
She wants to cancel the project entirely
She is ready to accept version B if the evidence is strong
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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