Question 1

How does data profiling help ensure data quality?

Options :

A : By identifying data patterns

B : By increasing data volume

C : By cleaning irrelevant data

D : By standardizing data formats

Answer: A

Question 2

What is "grid search" in the context of model tuning?

Options :

A : A technique to optimize hyperparameters by exhaustively searching through a predefined set

B : A method to evaluate multiple models simultaneously

C : A way to preprocess data for modeling

D : A technique for selecting features

Answer: A

Question 3

What is a critical first step in acquiring data for an analytics project?

Options :

A : Developing hypotheses

B : Identifying relevant data sources

C : Cleaning the data

D : Designing the analysis method

Answer: B

Question 4

What is a key consideration when transitioning from one model to another?

Options :

A : Limiting stakeholder involvement

B : Ensuring data and performance continuity

C : Reducing model complexity

D : Ignoring previous model performance

Answer: B

Question 5

What is a key consideration when acquiring data for predictive analytics?

Options :

A : Data accuracy and relevance

B : Data visualization techniques

C : Data cleaning methods

D : Data storage capacity

Answer: A

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