This set of Data Science Multiple Choice Questions & Answers (MCQs) focuses on “Introduction to Reproducible Research”.
1. Which of the following problem is solved by reproducibility ?
a) Scalability
b) Data Availability
c) Improved Data Analysis
d) None of the Mentioned
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Explanation: More transparency is achieved with reproducibility.
2. Point out the correct statement with respect to replication:
a) Focuses on the validity of the data analysis
b) Focuses on the validity of the scientific claim
c) Arguably a minimum standard for any scientific study
d) All of the Mentioned
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Explanation: Data replication if the same data is stored on multiple storage device.
3. Which of the following is effective way of checking validity of data analysis ?
a) Re-run the analysis
b) Review the code
c) Check the sensitivity
d) All of the Mentioned
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Explanation: Reproducibility addresses the most “downstream” aspect of the research process.
4. Which of the following is similar to a pre-specified clinical trial protocol ?
a) Caching-based Data Analysis
b) Evidence-based Data Analysis
c) Markdown-based Data Analysis
d) All of the Mentioned
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Explanation: Evidence-based Data Analysis a deterministic statistical machine.
5. Point out the wrong statement with respect to reproducibility:
a) Focuses on the validity of the data analysis
b) The ultimate standard for strengthening scientific evidence
c) Important when replication is impossible
d) None of the Mentioned
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Explanation: Replication is particularly important in studies that can impact broad policy or regulatory decisions.
6. Which of the following can be used for data analysis model ?
a) CRAN
b) CPAN
c) CTAN
d) All of the Mentioned
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Explanation: Different problems require different approaches and expertise.
7. Reproducibility determines correctness of data analysis.
a) True
b) False
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Explanation: Reproducibility has nothing to do with validity of data analysis.
8. Which of the following step is not required in data analysis ?
a) Synthesize results
b) Create reproducible code
c) Interpret results
d) None of the Mentioned
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Explanation: The data set may depend on your goal.
9. Which of the following gives reviewers an important tool without dramatically increasing the burden ?
a) Quality research
b) Replication research
c) Reproducible research
d) None of the Mentioned
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Explanation: Reproducible research is important, but does not necessarily solve the critical question of whether a data analysis is trustworthy.
10. Result Analysis are relatively easy to replicate or reproduce.
a) True
b) False
View Answer
Explanation: Complicated analyses should not be trusted.
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Here’s the list of Best Reference Books in Data Science.
