Question 1

In the figure below there are three scatter plots and a freehand sketch for logistics regression.

Which of the above figures show that the decision boundary is overfitting the training data?

Options :

A : None of the above

B : A

C : B

D : C

Answer: D

Question 2

What is the correct definition for the term "classifier"?

Options :

A : A type of ML function that predicts the output class for a given input

B : A type of ML function that groups similar data points together

C : An ML model used for classification Synonym: classification model

D : The ability of a system to work for sustained periods without human intervention

Answer: C

Question 3

Which of the following options CORRECTLY states how an AI-based tool can perform optimization of regression test suites?

Options :

A : By analyzing information from previous testing activities

B : By using genetic algorithms to create new test cases

C : By analyzing false positive test results

D : By updating the expected results to counter concept drift

Answer: A

Question 4

Which of the following options would MOST likely be a reason for poor labeling of data?

Options :

A : Translation errors

B : Insufficient data

C : Algorithm chosen for the ML model

D : Synthetic data

Answer: A

Question 5

“An ML technique in which the data points are viewed as vectors in multi-dimensional space separated by a hyperplane”

Options :

A : Search algorithm

B : Support vector machine (SVM)

C : Sample bias

D : silhouette coefficient

Answer: B

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