2.2.4.Weekly challenge 2 - sj50179/Google-Data-Analytics-Professional-Certificate GitHub Wiki

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Question 1

Which of the following statements describes an algorithm?

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

Correct. A process or set of rules to be followed for a specific task describes an algorithm.

Question 2

In data analytics, quantitative data measures qualities and characteristics.

  • True
  • False

Correct. In data analytics, quantitative data is specific and measures numerical facts.

Question 3

In data analytics, reports use data that doesn’t change once it’s been recorded. Which of the following terms describes this type of data?

  • Monitored
  • Comprehensive
  • Real-time
  • Static

Correct. Static data is data that doesn’t change once it’s been recorded.

Question 4

Which data-summarization tool do data analysts use to sort, reorganize, group, count, total, or average data?

  • A report
  • A function
  • A pivot table
  • A dashboard

Correct. To sort, reorganize, group, count, total or average data, data analysts use a pivot table.

Question 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
  • Sorting and filtering data
  • Cleaning data

Correct. A metric is a single, quantifiable type of data used when setting and evaluating goals.

Question 6

Fill in the blank: A _____ goal is measurable and evaluated using single, quantifiable data.

  • benchmark
  • conceptual
  • metric
  • finite

Correct. A metric goal is measurable and evaluated using single, quantifiable data.

Question 7

Fill in the blank: Return on investment compares the cost of an investment to the _____ of that investment.

  • timing
  • future success
  • net profit
  • purpose

Correct. Return on investment compares the cost of an investment to the net profit gained from that investment.

Question 8

A data analyst is using data from a short time period to solve a problem related to someone’s day-to-day decisions. They are most likely working with small data.

  • True
  • False

Correct. A data analyst using data from a short time period to solve a problem related to someone’s day-to-day decisions is most likely working with small data.