Engineering Questions with Answers - Multiple Choice Questions

# MCQs on Prediction Motivation

1 - Question

Which of the following is the valid component of the predictor?
a) data
b) question
c) algorithm
d) all of the mentioned

Explanation: A prediction is a statement about the future.

2 - Question

Point out the wrong statement.
a) In Sample Error is also called generalization error
b) Out of Sample Error is the error rate you get on the new dataset
c) In Sample Error is also called resubstitution error
d) All of the mentioned

Explanation: Out of Sample Error is also called generalization error.

3 - Question

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

Explanation: Evaluation is done in the last.

4 - Question

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

Explanation: Garbage in should be equal to garbage out.

5 - Question

Point out the correct statement.
a) In Sample Error is the error rate you get on the same dataset used to model a predictor
b) Data have two parts-signal and noise
c) The goal of predictor is to find signal
d) None of the mentioned

Explanation: Perfect in sample prediction can be built.

6 - Question

Which of the following is characteristic of best machine learning method?
a) Fast
b) Accuracy
c) Scalable
d) All of the mentioned

Explanation: There is always a trade-off in prediction accuracy.

7 - Question

True positive means correctly rejected.
a) True
b) False

Explanation: True positive means correctly identified.

8 - Question

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

Explanation: Interpretability also matters during prediction.

9 - Question

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

Explanation: Out of sample error is given more importance.

10 - Question

Backtesting is a key component of effective trading-system development.
a) True
b) False