An Instructor Is Evaluating the Performance of Students on a Test

question 65

Multiple Choice

An instructor is evaluating the performance of students on a test. He records the number of points that each student missed and created a frequency distribution. This is provided below: What is the standard deviation for this population?

• A) 11.43
• B) 14.14
• C) 12.63
• D) 13.17
• E) 16.90

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Definitions:

DDoS Attack

Distributed Denial of Service Attack, a malicious attempt to disrupt normal traffic of a targeted server, service, or network by overwhelming the target or its surrounding infrastructure with a flood of Internet traffic.

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Malware

Software that’s intended to render a system temporarily or permanently useless or to penetrate a computer system completely for purposes of information gathering. Examples include spyware, viruses, worms, and Trojan horses.

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The process by which a computer virus attaches itself to a software program or file, enabling it to spread from one computer to another, leading to potential data corruption or system failure.