Amazon Reviews and EBay's Reputation Rankings,which Serve as Credibility Scores

question 49

Multiple Choice

Amazon reviews and eBay's reputation rankings,which serve as credibility scores for what we can trust online,directly contribute to the ________.

• A) horizontal revolution
• B) digital native
• C) reputation economy
• D) network effect
• E) perpetual beta

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Definitions:

Confidence Interval

A range of values, derived from sample statistics, that is likely to contain the population parameter with a specified level of confidence.

Null Hypothesis

A statement used in hypothesis testing that assumes no effect or no difference exists between two or more sets of data.

Hypothesized Value

A specific value proposed as existing or being true within the context of a statistical hypothesis test.

Null Hypothesis

A default statement that indicates no effect, difference, or relationship between two or more variables in an experiment.