Data Science Miscellaneous MCQ Questions and Answers

71

Which of the following random variable that take on only a countable number of possibilities?

A) Discrete B) Non Discrete C) Continuous D) All of the mentioned

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Answer & Solution

Answer: Option A

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72

Which of the following create a Google Gadget based on a Google Visualization Object?

A) createGadget B) createGoogleGadget C) newGoogleGadget D) all of the mentioned

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Answer: Option B

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73

Which of the following is a property of likelihood?

A) Ratios of likelihood values measure the relative evidence of one value of the unknown parameter to another B) Given a statistical model and observed data, all of the relevant information contained in the data regarding the unknown parameter is contained in the likelihood C) The Resultant likelihood is multiplication of individual likelihood D) All of the mentioned

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Answer: Option D

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74

runApp() will run the shiny and open the browser window.

A) True B) False

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Answer: Option A

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75

Point out the correct statement.

A) Slidify allows embedded code chunks B) Slidify presentation cannot be shared easily C) Slidify is difficult to use D) None of the mentioned

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Answer: Option A

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76

Gosset's distribution is invented by which of the following scientist?

A) William Gosset B) William Gosling C) Gosling Gosset D) All of the mentioned

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Answer: Option A

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77

Which of the following show residuals divided by their standard deviations?

A) rstudent B) cooks.distance C) rstandard D) all of the mentioned

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Answer: Option C

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78

Which of the following tool is used for constructing confidence intervals and calculating standard errors for difficult statistics?

A) baggyer B) bootstrap C) jacknife D) none of the mentioned

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Answer: Option B

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79

Point out the correct statement.

A) coplots are one dimensional data graph B) Exploratory graphs are made quickly C) Exploratory graphs are made relatively less in number D) All of the mentioned

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Answer: Option A

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80

The . . . . . . . . function returns its argument with a modified shape, whereas the . . . . . . . . method modifies the array itself.

A) reshape, resize B) resize, reshape C) reshape2, resize D) all of the mentioned

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Answer: Option A

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Data Science Miscellaneous MCQ Questions and Answers | Data Science MCQs