Facebook Is

question 79

Multiple Choice

Facebook is

• A)a website where users may create a personal profile;add other users as friends;and exchange comments,photos,videos,and "likes" with them.
• B)a website that enables users to send and receive "tweets," messages up to 140 characters long.
• C)a business-oriented website that lets users post their professional profiles to connect to a network of businesspeople.
• D)a video-sharing website in which users can upload,distribute,view,and comment on videos.
• E)a virtual content-sharing social network that allows people to share images of their favorite things such as clothing,craft ideas,and recipes as well as enables them to categorize these images.

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Definitions:

Simple Linear Regression

A statistical method to model the relationship between two variables by fitting a linear equation to observed data.

Statistically Significant

A term used to indicate that the probability of the observed data, or something more extreme, happening by chance is low under the null hypothesis.

Stochastic Relationship

A relationship between variables or processes that involves randomness, implying that predictions can only be made probabilistically.

Regression Analysis

A statistical technique for modeling and analyzing the relationships between a dependent variable and one or more independent variables.