Question 1

What should be done if a dataset contains duplicate records?

Options :

A : Increase data volume

B : Remove the duplicate records

C : Ignore the duplicates

D : Standardize the data

Answer: B

Question 2

Why is it important to standardize data formats in data preparation?

Options :

A : To reduce data volume

B : To ensure consistency across datasets

C : To increase data privacy

D : To simplify data cleaning

Answer: B

Question 3

What is the purpose of using a validation set during model building?

Options :

A : To train the model

B : To test the model on unseen data

C : To adjust hyperparameters

D : To evaluate model performance on a subset of data

Answer: D

Question 4

Why is it important to understand the context of the data during acquisition?

Options :

A : To increase data volume

B : To ensure data accuracy and relevance

C : To select visualization tools

D : To simplify data analysis

Answer: B

Question 5

How does incorporating feedback throughout the analytics process improve outcomes?

Options :

A : It adds complexity to the project

B : It ensures that the solution is aligned with business needs and expectations

C : It delays the project timeline

D : It limits the scope of analysis

Answer: B