A)Which of the following is true concerning secondary data?(1 point)

Question

data that is invalid or unorganized
data expressed by focus groups
data collected by the researcher
data that is collected and already exists
A)As a result of the digital age, which is considered a valuable resource?(1 point)
big data
data
internet
websites
A)Which of the following is a primary role of data sets?(1 point)
to build unpredictive models
to predict the model
to give information that is easily sorted and ranked
to generate unorganized data sets
A)When a data scientist is writing advanced predictive analytics or machine learning (ML) algorithms, why is it important to visualize the outputs?(1 point)
to monitor results and make sure that models are performing as planned
to make the meeting more interesting
to replace complex interpretations of numerical outputs
to offer alternative views, enhancing trust
A)How does data visualization aid in identifying patterns or trends within a complex data set?(1 point)
by explaining the changes and describe the implications of the data
by contributing to advanced analytics of the data
by showing the minutiae and details of the data
by reducing insignificant data and emphasizing the most important points

Answer 1

Here are the correct answers to each question:

A) Which of the following is true concerning secondary data?

• data that is collected and already exists

A) As a result of the digital age, which is considered a valuable resource?

• big data

A) Which of the following is a primary role of data sets?

• 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?

• 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?

• by reducing insignificant data and emphasizing the most important points