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.