vmartinez

 

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.

 

 

Structured query language (SQL) enables data analysts to communicate with a database.

 

• True

 

• False

 

 

Fill in the blank: To request, retrieve, and update information in a database, data analysts use a ____.

 

• calculation
• dashboard
• query
• formula

 

 

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

 

 

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

 

 

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.