Descriptive analytics - AnswersRefers to gathering, organizing, tabulating, and visualizing data to
summarize "what has happened?" In reports, tables, graphs, and maps
Predictive analysis - AnswersRefers to using historical data to protect "what could happen in the
future?" Identifying customers who are most likely to respond to specific marketing campaigns
Prescriptive analysis - AnswersRefers to using optimization and simulation algorithms to provide advice
on "what should we do?" Provides advice on scheduling employees work hours in order to meet
demand
Population - AnswersConsists of all observations or items of interest in an analysis
Sample - AnswersSubset of the population
Cross sectional - AnswersRefer to data collected by recording a characteristic of many subjects at the
same point in time, or without regard to differences in time
DMAIC - AnswersDefine, Measure, Analyze, Improve, Control
Define - AnswersA question or statement that calls for a solution
Measure - AnswersData is collected to establish process performance
Analyze - AnswersHelps to identify, validate, and select the roof cause of the problem that needs to be
eliminated. Focus shafts from the effects of the problem to its cause
Improve - AnswersReady to generate solutions to the problem. Critical thinking techniques, shift from
basic techniques to variations of brainstorming
Control - AnswersDeals with necessary steps required to maintain the profits made by solving a problem
Thematic analysis - AnswersA method of analyzing qualitative data
Random data - AnswersA subset of a population selected by a process that makes all samples of a
specific size equally likely to occur
Value - AnswersMythological plan for formulating questions, curating the right data, and unlocking
hidden potential
Variety - AnswersAll types, forms, granularity, structure or unstructured
Volume - AnswersImmense amount of data compiled for single or multiple sources
Velocity - AnswersGenerated at a rapid speed, management is a critical issue
Veracity - AnswersCredibility and quality of the data, reliability