Yelp.com

question 14

Multiple Choice

Yelp.com

• A) is an online forum where unhappy customers can post a negative review.
• B) is a way for firms to identify customer complaints more so than preferences.
• C) can build a business with limited effort by the business owner.
• D) All of the above are true about Yelp.com.

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Definitions:

Pearson Coefficient

A statistic that quantifies the linear relationship between two datasets, reflecting the degree to which they move together.

Gas Mileage

A measure of a vehicle's fuel efficiency, usually expressed in miles per gallon (mpg) or kilometers per liter (km/l).

Truck Speed

The rate at which a truck moves, usually measured in miles per hour or kilometers per hour.

Pearson Correlation Coefficient

A measure of the linear correlation between two variables X and Y, giving a value between +1 and -1, where 1 is total positive linear correlation, 0 is no linear correlation, and -1 is total negative linear correlation.