Data Tools Quick Check
1 of 51 of 5 Items
Question
Which of the following is true concerning secondary data?(1 point)
Responses
data collected by the researcher
data collected by the researcher
data that is collected and already exists
data that is collected and already exists
data that is invalid or unorganized
data that is invalid or unorganized
data expressed by focus groups
data that is collected and already exists
As a result of the digital age, which is considered a valuable resource?(1 point)
Responses
websites
websites
big data
big data
internet
internet
data
big data
Which of the following is a primary role of data sets?(1 point)
Responses
to give information that is easily sorted and ranked
to give information that is easily sorted and ranked
to predict the model
to predict the model
to build unpredictive models
to build unpredictive models
to generate unorganized data sets
to give information that is easily sorted and ranked
hen a data scientist is writing advanced predictive analytics or machine learning (ML) algorithms, why is it important to visualize the outputs?(1 point)
Responses
to make the meeting more interesting
to make the meeting more interesting
to monitor results and make sure that models are performing as planned
to monitor results and make sure that models are performing as planned
to offer alternative views, enhancing trust
to offer alternative views, enhancing trust
to replace complex interpretations of numerical outputs
to replace complex interpretations of numerical outputs
to monitor results and make sure that models are performing as planned
How does data visualization aid in identifying patterns or trends within a complex data set?(1 point)
Responses
by reducing insignificant data and emphasizing the most important points
by reducing insignificant data and emphasizing the most important points
by contributing to advanced analytics of the data
by contributing to advanced analytics of the data
by explaining the changes and describe the implications of the data
by explaining the changes and describe the implications of the data
by showing the minutiae and details of the data
by showing the minutiae and details of the data