Question 1

What should be included in a problem statement to ensure clarity?

Options :

A : Technical specifications

B : Expected business outcomes

C : Data cleaning methods

D : Visualization tools

Answer: B

Question 2

What is the key difference between descriptive and prescriptive models?

Options :

A : Descriptive models explain the past, while prescriptive models suggest actions for the future

B : Descriptive models forecast outcomes, while prescriptive models analyze data

C : Descriptive models provide recommendations, while prescriptive models describe trends

D : Descriptive models analyze data, while prescriptive models provide explanations

Answer: A

Question 3

What is a good practice to ensure ongoing model performance?

Options :

A : Regularly update the model

B : Limit the model to historical data

C : Reduce the number of features

D : Increase model complexity

Answer: A

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 does cross-validation help determine in model training?

Options :

A : The computational cost of the model

B : The best model architecture

C : The model-s ability to generalize

D : The number of features to use

Answer: C