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Listening Quiz: Yêu Cầu Tư Vấn Thống Kê để Xác Định Cỡ Mẫu – Medium Level
Th12 8, 2024
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bởi
Anna Phạm
trong
Tiếng Anh dành cho Nhà nghiên cứu y học (English for Medical Researcher)
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1.
What is the main purpose of James’s conversation with Emily?
To discuss the results of a customer satisfaction survey
To request advice about writing a study report
To compare last year’s data with this year’s data
To ask for help calculating an appropriate sample size
Explanation:
James asks Emily for help determining the right sample size for his customer satisfaction study, and Emily says she will calculate it.
2.
What is James’s study about?
Employee performance
Website traffic
Customer satisfaction
Product pricing
Explanation:
James clearly says, ‘It is about customer satisfaction.’
3.
What confidence level does James want to use?
5%
99%
95%
90%
Explanation:
James says, ‘I think 95% confidence is best.’
4.
What margin of error does James say is acceptable?
5%
10%
3%
1%
Explanation:
James answers, ‘A 5% margin of error is fine.’
5.
What can be inferred about Emily’s role in the conversation?
She is rejecting James’s request for help
She is helping James with a statistical calculation
She is conducting the customer satisfaction study herself
She is asking James to gather new survey data
Explanation:
Emily asks for the study details and then says she will calculate the sample size and send the results soon, so she is helping with a statistical calculation.
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