Kevin Works in a Police Department and Specializes in Homicide

question 5

Multiple Choice

Kevin works in a police department and specializes in homicide cases. He has detailed knowledge on firearms. In his last homicide case, Kevin found a bullet at the crime scene and knew that the bullet was fired from a gun that is no longer manufactured. He immediately got his technicians to create a 3D image of the bullet and looked it up in a national firearms database to identify the gun and its last owner. This scenario illustrates that Kevin is:

• A) participating in a sting operation.
• B) working as a forensic psychologist.
• C) extracting trace evidence.
• D) using ballistics technology.

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Definitions:

Levels

The different values or categories of a factor in an experiment or statistical analysis.

Observations

Data points or individual pieces of data collected through experiments, surveys, or other methods of research.

ANOVA Design

A statistical method and design of experiments aimed at comparing the means of three or more groups to understand if at least one group mean differs significantly.

Interaction

In statistics and research, the mutual or reciprocal actions or influence between variables or factors.