18 Questions
What are the characteristics that IBM uses to describe big data?
Volume, variety, velocity, and veracity
According to the McKinsey Global Institute, what potential does the effective use of big data have?
Transforming economies and delivering productivity growth
In a database table, what do the rows represent?
Records of related data elements
What is a data set?
A collection of data, often a single 'spreadsheet' or data mining table
What does 'discrete' mean when derived from counting something?
Something that is counted as a whole unit
How does the document define 'big data'?
Massive amounts of business data from various sources with volume, variety, velocity, and veracity characteristics
What type of capabilities does IBM Cognos Express provide?
Reporting, analysis, dashboard, planning, budgeting, and forecasting
Which tool is suitable for predictive modeling, data mining, and visualization?
SAS / SPSS / Rapid Miner
What is the result of analyzing data according to the text?
Information
Which type of data includes page views, visitor's country, and products purchased?
External data like economic trends
What do SAS/SPSS/Rapid Miner specialize in according to the text?
Predictive modeling and data mining
What are examples of external data sources mentioned in the text?
Marketing research and new developments like Web behavior
What is a model in the context of analytics?
An abstraction or representation of a real system, idea, or object
In the context of new product sales, what pattern do sales often follow?
Starts small, grows at an increasing rate, then decreases as market saturates
What is the equation used as a mathematical model for sales of new products?
$S = ae^{bt}$
Why may a survey question asking to rate the food quality in a restaurant not be considered reliable?
Because different customers have conflicting perceptions
What are the common elements included in customer satisfaction besides food quality?
Other elements of service besides food
Why does the rate of sales for a new product eventually begin to decrease?
When the market becomes saturated
Learn about big data and how it refers to massive amounts of business data from various sources, emphasizing volume, variety, velocity, and veracity. Explore the potential transformation of economies and the competitive advantages offered by utilizing big data.
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