Introduction to Data Science MCQ Questions and Answers

1

Point out the wrong statement.

A) Randomized studies are not used to identify causation B) Complication approached exist for inferring causation C) Causal relationships may not apply to every individual D) All of the mentioned

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Answer & Solution

Answer: Option A

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2

Which of the following technique comes under practical machine learning?

A) Bagging B) Boosting C) Forecasting D) None of the mentioned

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Answer & Solution

Answer: Option B

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3

Which of the following is a good way of performing experiments in data science?

A) Measure variability B) Generalize to the problem C) Have Replication D) All of the mentioned

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Answer & Solution

Answer: Option D

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4

Point out the correct statement.

A) Raw data is original source of data B) Preprocessed data is original source of data C) Raw data is the data obtained after processing steps D) None of the mentioned

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Answer & Solution

Answer: Option A

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5

Which of the following is the top most important thing in data science?

A) answer B) question C) data D) none of the mentioned

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Answer & Solution

Answer: Option B

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6

Which of the following characteristic of big data is relatively more concerned to data science?

A) Velocity B) Variety C) Volume D) None of the mentioned

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Answer & Solution

Answer: Option B

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7

Which of the following is the common goal of statistical modelling?

A) Inference B) Summarizing C) Subsetting D) None of the mentioned

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Answer & Solution

Answer: Option A

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8

Which of the following analytical capabilities are provided by information management company?

A) Stream Computing B) Content Management C) Information Integration D) All of the mentioned

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Answer & Solution

Answer: Option D

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9

Which of the following uses relatively small amount of data to estimate about bigger population?

A) Inferential B) Exploratory C) Causal D) None of the mentioned

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Answer & Solution

Answer: Option A

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10

Point out the correct statement.

A) If equations are known but the parameters are not, they may be inferred with data analysis B) If equations are not known but the parameters are, they may be inferred with data analysis C) If equations and parameter are not, they may be inferred with data analysis D) None of the mentioned

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Answer & Solution

Answer: Option A

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