Question 1

What role do stakeholders play in understanding the business problem?

Options :

A : Data validation

B : Solution testing

C : Problem definition

D : Model selection

Answer: C

Question 2

What should be included in a problem statement?

Options :

A : Technical specifications

B : Expected outcomes

C : Data cleaning methods

D : Visualization tools

Answer: B

Question 3

Why should the scope of the analytics approach be clearly defined?

Options :

A : To avoid scope creep

B : To reduce computational cost

C : To select visualization tools

D : To improve model performance

Answer: A

Question 4

What is the purpose of checking for influential data points in regression models?

Options :

A : To increase data volume

B : To identify data points that disproportionately affect the model

C : To simplify data preparation

D : To test for normality of residuals

Answer: B

Question 5

What does "bias-variance tradeoff" refer to in model training?

Options :

A : Balancing the model-s training and testing times

B : Adjusting the model-s complexity to balance bias and variance

C : Choosing between different model architectures

D : Selecting the best features for the model

Answer: B

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