_____ refers to the pace of data flow into and out of a firm.
a. Volume
b. Variety
c. Velocity
d. Veracity - Answers c. Velocity
Which of the four Vs refers to the accuracy and trustworthiness of data collected in "big data"
systems?
a. Volume
b. Variety
c. Velocity
d. Veracity - Answers d. Veracity
While not one of the four Vs, _____ refers to the importance of big data for companies.
a. value
b. veracity
c. velocity
d. volatility - Answers a. value
Social media comments, blog posts, audio, and photos are ______.
a. secondary data
b. structured data
c. social data
d. unstructured data - Answers d. unstructured data
_____ is data that can be written into rows on a spreadsheet or database based on standard column
headings.
a. Secondary data
b. Structured data
c. Social data
d. Unstructured data - Answers b. Structured data
_____ is the collective term for all the different purchasing options a consumer has available,
including store-based retailers, e-commerce sites, mobile purchasing, in-store pickup, home delivery,
and so on.
a. Omni-channel transactional data
b. Mobile data
c. Multi-channel structured data
d. Big data - Answers a. Omni-channel transactional data
_____ is designed to aid both explanatory and forecasting abilities for the betterment of the firm.
a. Descriptive analysis
b. Prescriptive analysis
c. Predictive analysis
d. Extrapolative analysis - Answers c. Predictive analysis
Which of the following is not a descriptive analysis technique?
a. Regression analysis
b. Data mining
c. Visualization
d. Data fusion - Answers a. Regression analysis
A firm using the technique of _____ would take multiple random samples from the existing big data
set to run thousands of "what if" analyses, each with different assumptions about market conditions
and other marketplace dynamics.