Sarah Calculates a Value of -7

question 83

Multiple Choice

Sarah calculates a value of -7.20 for the variance (s²) for a set of data. This necessarily implies ______.

• A) she needs to check her calculations
• B) the mean is less than the standard deviation
• C) the sum of the negative deviations from the mean are greater than the sum of the positive deviations
• D) the distribution of scores is negatively skewed

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Definitions:

FTP

File Transfer Protocol, a standard network protocol used for the transfer of computer files between a client and server on a computer network.

Port 21

Typically used by the File Transfer Protocol (FTP) for control (command) messages, allowing the transfer of files between a client and a server over a network.

DNS Server

A server that translates human-friendly domain names into IP addresses, allowing browsers to load internet resources.

IP Address

Internet Protocol Address, a unique string of numbers and periods that identifies each computer communicating over a network.