21. A dashboard is designed to share insights about the housing market in a city. What type of data visualization would be most effective at demonstrating how the city’s annual home sales have risen over time?
- Area chart
- Line chart
- Scatter plot
- Pie chart
22. What type of visualizations enable the data in a presentation to automatically update and change over time?
- Dynamic
- Discrete
- Customized
- Static
23. Why is it more effective to label a data visualization instead of using a legend? Select all that apply.
- Labels make the data visualization more accessible because they don’t rely on the ability to interpret color.
- Labels help keep people’s attention on relevant data by redirecting their focus away from outliers.
- Labels can be placed near the data, whereas legends are typically positioned away from the data.
- Labels allow for text explanations to be placed directly on the visualization.
24. A data visualization reveals two variables in the data that rise and fall at the same time. When variables are related in this way, what is likely happening?
- Causation
- Correlation
- Divergence
- Polarity
25. Which of the following are appropriate uses for filters in data visualization tools? Select all that apply.
- Hiding outliers that do not support the hypothesis
- Limiting the number of rows or columns in view
- Highlighting individual data points
- Providing data to different users based on their particular needs
Weekly challenge 1
26. Fill in the blank: To gain insights, businesses rely on _____ to acquire, organize, and interpret the data that informs internal projects and processes.
- information technology professionals
- clients
- data professionals
- stakeholders
27. What process enables users to express how to perform a task by using data instead of explicit instructions?
- Visualization
- Statistics
- Data science
- Machine learning
28. Before creating predictive models to identify trends and inform best practices, a company must evaluate its data using what type of measurement?
- Attributes
- Metrics
- SMART methodology
- Best practices
Shuffle Q/A 3
29. What are some key advantages of the Python programming language? Select all that apply.
- It is very flexible.
- It is one of the easiest programming languages to write.
- It has an enormous online community and other helpful resources.
- It was created within the data community.
30. Fill in the blank: Jupyter Notebook is a web-based computing platform that enables data professionals to _____ in real-time.
- run code
- iterate on a business process
- visualize data
- query databases