Speed at which data is generated. Answer- Velocity
Types of data (e.g., text, audio). Answer- Variety
Reliability of data. answer- Veracity
Analytical techniques that describe what has happened in the past.
Answer- Descriptive Analytics
Analytical techniques that use models constructed from past data to
predict the future or assess the impact of one variable on another.
Answer- Predictive Analytics
Analytical techniques that yield a course of action. Answer- Prescriptive
Analytics
, A set of data that cannot be managed, processed, or analyzed with
commonly available software in a reasonable amount of time. Big Data
are characterized by 4 v's: volume, velocity, variety, and veracity.
Answer- Big Data
The process of using procedures from statistics and computer science
to extract useful information from extremely large databases. Answer-
Data Mining
-A tabular summary of data showing the number (frequency) of
observations in each of several nonoverlapping categories or classes.
Answer- Frequency Distribution
A tabular summary of data showing the fraction or proportion of
observations in each of several nonoverlapping categories or classes.
Answer- Relative Frequency Distribution
A tabular summary of data showing the percentage of observations in
each of several nonoverlapping classes. Answer- Percent Frequency
Distribution
A graphical device for depicting categorical data that have been
summarized in a frequency, relative frequency, or percent frequency
distribution. answer- Bar Chart
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