Week 3 – The wonderful world of data

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

Devendra Kumar

Project Management Apprentice at Google

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