How Do Advertisers Direct Targeted Ads to Specific Web Site

question 19

Multiple Choice

How do advertisers direct targeted ads to specific Web site visitors?

• A) They use cookies to collect information about a user's Web activity.
• B) They send surveys in the mail.
• C) They ask for permission to use targeted ads.
• D) They conduct psychographic surveys by phone.
• E) None of the options are correct.

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Definitions:

Chi-Squared Distribution

A statistical distribution used in hypothesis testing that is derived from the sum of the squares of independent standard normal random variables.

Positively Skewed

Refers to a distribution of data where the tail on the right side of the distribution is longer or fatter than the left side, indicating that the majority of the data points are concentrated on the left.

Degrees of Freedom

The number of independent pieces of information available to estimate another piece of information or the parameter in a model.

Number

An arithmetic value that represents a particular quantity and is used in counting and making calculations.