Walmart Captures Point-Of-Sale Transactions from Thousands of Stores in Several

question 108

Multiple Choice

Walmart captures point-of-sale transactions from thousands of stores in several countries and continuously transmits these data to its massive data warehouse.Wal-Mart allows more than 3,500 suppliers to access data on their products and perform data analyses.These suppliers use the data to identify customer buying patterns at the store level.They use this information to manage local store inventory and identify new merchandising opportunities.Both Wal-Mart and its suppliers are engaged in:

• A) information formatting
• B) database enhancement
• C) data mining
• D) data shading
• E) descriptive modeling

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Definitions:

Frequency Polygon

A graphical representation of the distribution of a data set, using a line graph to connect midpoints of intervals.

Bar Chart

A graphical representation of data using bars of different heights or lengths to show the values of various categories.

Frequency Distribution

A summary of how often each value in a set of data occurs, typically presented in a table or graphically as a histogram.

SAT Math Scores

Quantitative data reflecting individuals’ performance on the mathematics section of the SAT examination.