Explore topic-wise MCQs in Data Science.

This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Data Science knowledge and support exam preparation. Choose a topic below to get started.

1.

Statistical inference is the process of drawing formal conclusions from data.

A. True
B. False
Answer» B. False
Discussion
2.

Which of the following function is associated with a continuous random variable?

A. pdf
B. pmv
C. pmf
D. all of the mentioned
Answer» B. pmv
Discussion
3.

Which of the following condition should be satisfied by function for pmf?

A. The sum of all of the possible values is 1
B. The sum of all of the possible values is 0
C. The sum of all of the possible values is infinite
D. All of the mentioned
Answer» B. The sum of all of the possible values is 0
Discussion
4.

Which of the following is also referred to as random variable?

A. stochast
B. aleatory
C. eliette
D. all of the mentioned
Answer» C. eliette
Discussion
5.

Which of the following can be considered as random variable?

A. The outcome from the roll of a die
B. The outcome of flip of a coin
C. The outcome of exam
D. All of the mentioned
Answer» E.
Discussion
6.

Which of the following is the probability calculus of beliefs, given that beliefs follow certain rules?

A. Bayesian probability
B. Frequency probability
C. Frequency inference
D. Bayesian inference
Answer» B. Frequency probability
Discussion
7.

WHICH_OF_THE_FOLLOWING_FUNCTION_IS_ASSOCIATED_WITH_A_CONTINUOUS_RANDOM_VARIABLE_??$

A. pdf
B. pmv
C. pmf
D. all of the Mentioned
Answer» B. pmv
Discussion
8.

Statistical_inference_is_the_process_of_drawing_formal_conclusions_from_data.$

A. True
B. False
Answer» B. False
Discussion
9.

Which of the following condition should be satisfied by function for pmf ?

A. The sum of all of the possible values is 1
B. The sum of all of the possible values is 0
C. The sum of all of the possible values is infinite
D. All of the Mentioned
Answer» B. The sum of all of the possible values is 0
Discussion
10.

Bayesian inference uses frequency interpretations of probabilities to control error rates.

A. True
B. False
Answer» C.
Discussion
11.

Which of the following is also referred to as random variable ?

A. stochast
B. aleatory
C. eliette
D. all of the Mentioned
Answer» C. eliette
Discussion
12.

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
Answer» B. Non Discrete
Discussion
13.

Which of the following can be considered as random variable ?

A. The outcome from the roll of a die
B. The outcome of flip of a coin
C. The outcome of exam
D. All of the Mentioned
Answer» E.
Discussion
14.

Which of the following is the probability calculus of beliefs, given that beliefs follow certain rules ?

A. Bayesian probability
B. Frequency probability
C. Frequency inference
D. Bayesian inference
Answer» B. Frequency probability
Discussion