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ISTQB CT-AI Exam Dumps - Actual Questions Answers

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CT-AI Questions and Answers

Question # 1

A ML engineer is trying to determine the correctness of the new open-source implementation *X", of a supervised regression algorithm implementation. R-Square is one of the functional performance metrics used to determine the quality of the model.

Which ONE of the following would be an APPROPRIATE strategy to achieve this goal?



Add 10% of the rows randomly and create another model and compare the R-Square scores of both the model.


Train various models by changing the order of input features and verify that the R-Square score of these models vary significantly.


Compare the R-Square score of the model obtained using two different implementations that utilize two different programming languages while using the same algorithm and the same training and testing data.


Drop 10% of the rows randomly and create another model and compare the R-Square scores of both the models.

Question # 2

A software component uses machine learning to recognize the digits from a scan of handwritten numbers. In the scenario above, which type of Machine Learning (ML) is this an example of?



Reinforcement learning







Question # 3

"Splendid Healthcare" has started developing a cancer detection system based on ML. The type of cancer they plan on detecting has 2% prevalence rate in the population of a particular geography. It is required that the model performs well for both normal and cancer patients.

Which ONE of the following combinations requires MAXIMIZATION?



Maximize precision and accuracy


Maximize accuracy and recall


Maximize recall and precision


Maximize specificity number of classes

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