How Are the Internet and E-Commerce Causing Severe Disruption to the Existing

question 82

Multiple Choice

How are the Internet and e-commerce causing severe disruption to the existing advertising business model?

• A) Ties between customer and businesses are being rethought.
• B) Technology players such as Yahoo! seek to dominate online advertising and expand into offline ad brokerage.
• C) New methods of advertising, such as blog advertising, are emerging.
• D) The market entry costs for online advertising services are extremely low.

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Definitions:

Sample Variance

A measure of how datapoints in a sample are spread out from their sample mean, quantifying the extent of variation within the sample.

Kurtosis

A measure of the "tailedness" of the probability distribution of a real-valued random variable; high kurtosis indicates a distribution with heavy tails and a sharp peak, while low kurtosis indicates a flatter distribution.

Histogram

This is a graphical representation of data using bars of different heights where each bar groups numbers into ranges.

Unimodal

Describing a distribution with a single peak or mode, representing the most frequently occurring value.