Nancy Has Several Types of Video Media Originating from a Variety

question 2

Multiple Choice

Nancy has several types of video media originating from a variety of devices, including an analog video camera, a DVR (digital video recorder) , and a TV. She also has video-editing software installed on her computer.
-Nancy is using codec software to reduce the size of some of her video files by allowing her to specify a compression ratio or bitrate.If she is very concerned with minimizing the size of her video files,she could ____.

• A) use a high bitrate
• B) use a high compression ratio
• C) increase the frame rate
• D) increase the frame size

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Definitions:

Selection Bias

A distortion in a statistical analysis resulting from the method of collecting samples, where some members of the intended population are less likely to be included than others.

Natural Groups

Groups that exist in the real world as they are, without manipulation or creation for research purposes, such as ethnic or gender groups.

Two Groups

A research design involving comparison between two separate groups of participants to determine the effect of a variable.

Experiment

A scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact.