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) The normal distribution is asymmetric and peaked about its mode B) A constant times a normally distributed random variable is also normally distributed C) Sample means of normally distributed random variables are again normally distributed D) None of the mentioned

Discuss

Answer & Solution

Answer: Option A

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

knitr supports only one documentation language.

A) True B) False

Discuss

Answer & Solution

Answer: Option B

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

Which of the following sets the size of the buffer used in ufuncs?

A) bufsize(size) B) setsize(size) C) setbufsize(size) D) all of the mentioned

Discuss

Answer & Solution

Answer: Option C

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

MathJax is a cross-browser JavaScript library that displays mathematical notation in web browsers.

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 correct statement.

A) A standard error is needed to create a prediction interval B) The prediction interval must incorporate the variability in the data around the line C) Investors use the residual variance to measure the accuracy of their predictions on the value of an asset D) All of the mentioned

Discuss

Answer & Solution

Answer: Option D

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

Base graphics are used most commonly for creating 2D graphics.

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 statement generates a html slide deck from index.Rmd?

A) slidify("index.Rmd") B) lib.slidify("index.Rmd") C) slidifylib("index.Rmd") D) all 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 is suitable for knitr?

A) Reports B) Data preprocessing documents C) Technical manuals D) All 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 is the oldest multiple testing correction?

A) Bonferroni correction B) Bernoulli correction C) Likelihood correction D) All of the mentioned

Discuss

Answer & Solution

Answer: Option A

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

Point out the wrong statement.

A) For quick visualizations and exploratory analysis, usually you want to use the screen device B) Functions like xyplot in lattice will not default to sending a plot to the screen device C) Not all graphics devices are available on all platforms D) None of the mentioned

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