Here are the answers to your questions:
A) Which of the following is true concerning secondary data?
Answer: data that is collected and already exists
A) As a result of the digital age, which is considered a valuable resource?
Answer: big data
A) Which of the following is a primary role of data sets?
Answer: to give information that is easily sorted and ranked
A) When a data scientist is writing advanced predictive analytics or machine learning (ML) algorithms, why is it important to visualize the outputs?
Answer: to monitor results and make sure that models are performing as planned
A) How does data visualization aid in identifying patterns or trends within a complex data set?
Answer: by reducing insignificant data and emphasizing the most important points