Introduction to Data Science MCQ Questions and Answers

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Each section contains 100 MCQs on Introduction to Data Science .

Which of the following is performed by Data Scientist?

A) Define the question B) Create reproducible code C) Challenge results D) All of the mentioned

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

Point out the correct statement.

A) Least square is an estimation tool B) Least square problems falls in to three categories C) Compound least square is one of the category of least square D) None of the mentioned

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Which of the following model is usually a gold standard for data analysis?

A) Inferential B) Descriptive C) Causal D) All of the mentioned

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Standard normal RVs are always labelled as Z.

A) True B) False

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Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Which of the following command updates tracking for files that are modified?

A) git add . B) git add -u C) git add -A D) none of the mentioned

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Which of the following CLI command can also be used to rename files?

A) rm B) mv C) rm -r D) none of the mentioned

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Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Which of the following web hosting service use Git control system?

A) GitHub B) Open Hash C) Git Bash D) None of the mentioned

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Point out the correct statement.

A) Descriptive analysis can be more useful for defining future studies B) Correlation does imply causation C) Inference is commonly the goal of statistical model D) None of the mentioned

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

If X predicts Y, it does mean X causes Y.

A) True B) False

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Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

How many principles of analytical graphs exist?

A) 3 B) 4 C) 6 D) None of the mentioned

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

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Introduction to Data Science MCQ Questions and Answers | Data Science MCQs