Week 2 – Data-driven decisions

ask questions to make data-driven decisions weekly challenge 2 answers

1. Which of the following statements describes an algorithm?

  • A process or set of rules to be followed for a specific task
  • A method for recognizing the current problem or situation and identifying the options
  • A tool that enables data analysts to spot something unusual
  • A technique for focusing on a single topic or a few closely related ideas


2. Fill in the blank: If a data analyst is measuring qualities and characteristics, they are considering _____ data.

  • quantitative
  • unbiased
  • cleaned
  • qualitative

3. In data analytics, reports use live, incoming data from multiple datasets; dashboards use static collections of data.

  • True
  • False

4. A pivot table is a data-summarization tool used in data processing. Which of the following tasks can pivot tables perform? Select all that apply.

  • Group data
  • Clean data
  • Calculate totals from data
  • Reorganize data


5. A metric is a single, quantifiable type of data that can be used for what task?

  • Setting and evaluating goals
  • Defining a problem type
  • Cleaning data
  • Sorting and filtering data


6. Which of the following options describes a metric goal? Select all that apply.

  • Evaluated using metrics
  • Indefinite
  • Measurable
  • Based on theory

7. Fill in the blank: Return on investment compares the _____ of an investment to the net profit gained from that investment.

  • success
  • purpose
  • cost
  • timing


8. Fill in the blank: A data analyst is using data to address a large-scale problem. This type of analysis would most likely require _____. Select all that apply.

  • small data
  • data that reflects change over time
  • data represented by a limited number of metrics
  • big data

Shuffle Q/A 1

9. Fill in the blank: In data analytics, qualitative data _____. Select all that apply.

  • is always time bound
  • measures qualities and characteristics
  • is subjective
  • measures numerical facts

10. Fill in the blank: A _____ is a data-summarization tool used to sort, reorganize, group, count, total, or average data.

  • report
  • dashboard
  • function
  • pivot table

Devendra Kumar

Project Management Apprentice at Google

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