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Listening Quiz: Lựa Chọn Phép Kiểm Định Thống Kê Phù Hợp – Easy Level
Th12 3, 2024
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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 David and Mia’s conversation?
Why numerical data is always easier to analyze
Choosing the right statistical test for different kinds of data
How to collect survey responses from a large group
The history of ANOVA and chi-square tests
Explanation:
The conversation is about when to use different statistical tests such as t-tests, ANOVA, chi-square, and non-parametric tests.
2.
According to David, what does a t-test compare?
The relationship between two variables only
The totals of several categories
The means of two groups
All groups at once
Explanation:
David says, ‘A t-test compares the means of two groups.’
3.
What should be used when there are more than two groups?
ANOVA
A Mann-Whitney test
A chi-square test
A t-test
Explanation:
David explains that when there are more than two groups, ‘you use ANOVA to compare all groups.’
4.
What kind of data should be analyzed with a chi-square test?
Data from exactly two groups
Numerical data only
Categorical data
Data that is always normal
Explanation:
David says, ‘For that, use the chi-square test’ when Mia asks about categorical data.
5.
What can be inferred about David’s advice to Mia?
He believes categorical data is the same as numerical data
He wants her to identify the data type before choosing a test
He thinks ANOVA should always be used first
He expects Mia to memorize every test without checking the data
Explanation:
David ends by saying, ‘Always check your data type first,’ which shows he wants her to decide based on the kind of data.
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Listening Lesson
Vocabulary Flashcards and Quiz
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