Data Analyst – Statistical Significance
Practice data analyst interview questions on statistical significance. Cover p-values, confidence intervals, and interpreting test results. Answer questions and receive feedback on clarity and correctness. Ideal for data analyst interview prep. First 2 questions are free with full feedback.
- Level Intermediate
- Questions 12
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Sample data analyst – statistical significance interview questions
Preview 6 questions from this track in quiz order. In the full quiz you answer one at a time — type or speak — then get a score and feedback.
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What is statistical significance?
What a strong answer includes
Result is unlikely due to chance alone.
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What is a p-value?
What a strong answer includes
Probability of observing the result if the null is true.
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What does p < 0.05 mean?
What a strong answer includes
Commonly used threshold for significance.
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Explain the difference between statistical and practical significance.
What a strong answer includes
Statistical is about chance; practical is about real-world impact.
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What is a confidence interval?
What a strong answer includes
Range that likely contains the true value.
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How do you interpret a confidence interval that includes zero?
What a strong answer includes
Not statistically significant.