FREE Data Science MCQ Question and Answers

Question 1

Which of the subsequent functions is used to calculate quantiles for numerical values?

Accepted Answer

quantile

Answer

quantiles

Answer

quantity

Answer

all of the above

Question 2

Which of the subsequent functions is utilized for flat file loading?

Accepted Answer

read.table

Answer

Read.sheet

Answer

read.data

Answer

none of the above

Question 3

How does the genetic algorithm create new states?

Accepted Answer

Both Mutation & Cross-over

Answer

Composition

Answer

Cross-over

Answer

Mutation

Question 4

Indicate which of the following is true.

Accepted Answer

None of the above

Answer

Tail function work on string

Answer

Head function work on string

Answer

The Head function works on the string, but the tail function does not.

Question 5

The LISP processor performs the following when a top-level function is entered:

Accepted Answer

It prints the result returned by the function

Answer

It reads the function entered

Answer

Large memory and high-speed processor

Answer

All of the above

Question 6

Indicate which of the following is true.

Accepted Answer

Primary data is the original source of data

Answer

Questions are obtained after data processing steps

Answer

Secondary data is the original source of data

Answer

None of the above

Question 7

Which of the subsequent functions is utilized for data frame casting?

Accepted Answer

Dcast

Answer

Ucast

Answer

Rcast

Answer

All of the above