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
