foundations data data everywhere weekly challenge 3 answers
1. Fill in the blank: A business decides what kind of data it needs, how the data will be managed, and who will be responsible for it during the _____ stage of the data life
- analyze
- manage
- plan
- capture
2. The destroy stage of the data life cycle might involve which of the following actions? Select all that apply.
- Storing data for future use
- Shredding paper files
- Uploading data to the cloud
- Using data-erasure software
3. During the capture stage of the data life cycle, a data analyst may use spreadsheets to aggregate data.
- True
- False
4. Describe how the data life cycle differs from data analysis.
- The data life cycle deals with making informed decisions; data analysis is using tools to transform data.
- The data life cycle deals with transforming and verifying data; data analysis is using the insights gained from the data.
- The data life cycle deals with identifying the best data to solve a problem; data analysis is about asking effective questions.
- The data life cycle deals with the stages that data goes through during its useful life; data analysis is the process of analyzing data.
5. What actions might a data analytics team take in the act phase of the data analysis process? Select all that apply.
- Sharing analysis results using data visualizations
- Putting a plan into action to help solve the business problem
- Validating insights provided by analysts
- Finalizing a strategy based on the analysis
6. Fill in the blank: A formula is a set of instructions used to perform a specified calculation; whereas a function is _____.
- a predefined operation
- a question written by the user
- a particular value
- a computer programming language
7. Fill in the blank: To request, retrieve, and update information in a database, data analysts use a ____.
- calculation
- dashboard
- query
- formula
8. Structured query language (SQL) enables data analysts to communicate with a database.
- True
- False
Shuffle Q/A 1
9. You are in the plan stage of the data lifecycle for your current project. What action might you take during this stage?
- Decide what kind of data is needed.
- Use a formula to perform calculations.
- Validate insights provided by analysts.
- Shred paper files.
10. A data analyst is working at a small tech startup. They’ve just completed an analysis project, which involved private company information about a new product launch. In order to keep the information safe, the analyst uses secure data-erasure software for the digital files and a shredder for the paper files. Which state of the data life cycle does this describe?
- Manage
- Archive
- Destroy
- Plan
