Explore topic-wise MCQs in Data Science.

This section includes 16 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.

Backtesting is a key component of effective trading-system development.

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

Which of the following expression is true?

A. In sample error < out sample error
B. In sample error > out sample error
C. In sample error = out sample error
D. All of the mentioned
Answer» B. In sample error > out sample error
Discussion
3.

Which of the following trade-off occurs during prediction?

A. Speed vs Accuracy
B. Simplicity vs Accuracy
C. Scalability vs Accuracy
D. None of the mentioned
Answer» E.
Discussion
4.

Which of the following is characteristic of best machine learning method?

A. Fast
B. Accuracy
C. Scalable
D. All of the mentioned
Answer» E.
Discussion
5.

Which of the following shows correct relative order of importance?

A. question->features->data->algorithms
B. question->data->features->algorithms
C. algorithms->data->features->question
D. none of the mentioned
Answer» C. algorithms->data->features->question
Discussion
6.

Which of the following is correct order of working?

A. questions->input data ->algorithms
B. questions->evaluation ->algorithms
C. evaluation->input data ->algorithms
D. all of the mentioned
Answer» B. questions->evaluation ->algorithms
Discussion
7.

Which of the following is the valid component of the predictor?

A. data
B. question
C. algorithm
D. all of the mentioned
Answer» E.
Discussion
8.

Given below are two statements, one labelled as Assertion (A) and the other labelled as Reason (R). Read the statements and choose the correct answer using the code given below.Assertion (A): Training aids in encouraging and achieving self-development and self-confidence. Reason (R): It helps a person handle stress, tension, frustration and conflict.

A. Both (A) and (R) are correct and (R) is the right explanation of (A).
B. Both (A) and (R) are correct but (R) is not the right explanation of (A).
C. Both (A) and (R) are incorrect
D. (A) is correct but (R) is not correct.
Answer» C. Both (A) and (R) are incorrect
Discussion
9.

WHICH_OF_THE_FOLLOWING_EXPRESSION_IS_TRUE_??$

A. In sample error < out sample error
B. In sample error > out sample error
C. In sample error = out sample error
D. All of the Mentioned
Answer» B. In sample error > out sample error
Discussion
10.

Backtesting_is_a_key_component_of_effective_trading-system_development.$

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

Which of the following trade-off occurs during prediction ?

A. Speed vs Accuracy
B. Simplicity vs Accuracy
C. Scalability vs Accuracy
D. None of the Mentioned
Answer» E.
Discussion
12.

True positive means correctly rejected.

A. True
B. False
Answer» C.
Discussion
13.

Which of the following is characteristic of best machine learning method ?

A. Fast
B. Accuracy
C. Scalable
D. All of the Mentioned
Answer» E.
Discussion
14.

Which of the following shows correct relative order of importance ?

A. question->features->data->algorithms
B. question->data->features->algorithms
C. algorithms->data->features->question
D. none of the Mentioned
Answer» C. algorithms->data->features->question
Discussion
15.

Which of the following is correct order of working ?

A. questions->input data ->algorithms
B. questions->evaluation ->algorithms
C. evaluation->input data ->algorithms
D. all of the Mentioned
Answer» B. questions->evaluation ->algorithms
Discussion
16.

Which of the following is the valid component of predictor ?

A. data
B. question
C. algorithm
D. all of the Mentioned
Answer» E.
Discussion