One of the Most Important Functions of Ratings and Reviews

question 2

Multiple Choice

One of the most important functions of ratings and reviews is that they ________.

• A) reveal the real truth about companies and brands
• B) facilitate commerce, both online and offline
• C) provide a policing function for poor products and services
• D) give consumers unbiased advice on purchasing decisions

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Definitions:

Addition Law

In probability, the rule that calculates the probability of the occurrence of at least one of two events.

Binomial Distribution

A probability distribution that summarizes the likelihood that a value will take one of two independent states under a given set of parameters or conditions.

Negatively Skewed

Negatively skewed, in statistics, describes a distribution of data where the tail is longer on the left side of the distribution curve, indicating that the bulk of the values lie to the right.

Positively Skewed

A statistical distribution characterized by a longer tail on the right side, indicating that the bulk of the values lie to the left of the mean.