Data Science Miscellaneous MCQ Questions and Answers

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Each section contains 100 MCQs on Data Science Miscellaneous .

Point out the wrong statement.

A) ipython is an enhanced interactive Python shell B) matplotlib will enable you to plot graphics C) rPy provides a lot of scientific routines that work on top of NumPy D) all of the mentioned

Discuss

Answer & Solution

Answer: Option C

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

Which of the following returns an array of ones with the same shape and type as a given array?

A) all_like B) ones_like C) one_alike D) all of the mentioned

Discuss

Answer & Solution

Answer: Option B

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

The core plotting engine is encapsulated in graphics package.

A) True B) False

Discuss

Answer & Solution

Answer: Option A

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

Which of the following set the floating-point error callback function or log object?

A) setter B) settercall C) setterstack D) all of the mentioned

Discuss

Answer & Solution

Answer: Option B

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

Point out the wrong statement.

A) k-means clustering is a method of vector quantization B) k-means clustering aims to partition n observations into k clusters C) k-nearest neighbor is same as k-means D) none of the mentioned

Discuss

Answer & Solution

Answer: Option C

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

Literate program code is live-automatic "regression test" when building a document.

A) True B) False

Discuss

Answer & Solution

Answer: Option A

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

Point out the wrong statement.

A) Regression through the origin yields an equivalent slope if you center the data first B) Normalizing variables results in the slope being the correlation C) Least squares is not an estimation tool D) None of the mentioned

Discuss

Answer & Solution

Answer: Option C

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

The document produced by knitr document has which of the following extension?

A) .md B) .rmd C) .html 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 way is required to make work reproducible?

A) keep track of things B) Save output C) Save data in proprietary formats D) None of the mentioned

Discuss

Answer & Solution

Answer: Option A

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

For continuous random variables, the CDF is the derivative of the PDF.

A) True B) False

Discuss

Answer & Solution

Answer: Option B

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

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Data Science Miscellaneous MCQ Questions and Answers | Data Science MCQs