A Population Consists of the Following Data: 7, 11, 12

question 14

Multiple Choice

A population consists of the following data: 7, 11, 12, 18, 20, 22, 25. The population variance is:

• A)6.07.
• B)36.82.
• C)5.16.
• D)22.86.

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Definitions:

Dual-Voltage Memory

Motherboard memory modules that use less power and produce less heat if the motherboard supports this feature. Not all installed modules must support the lower voltage for the system to take advantage of the modules that do support the lower voltage.

Power Supply

A device that converts AC voltage into DC voltage that the computer can use to power all internal and some external devices.

CPU

Central Processing Unit, the primary component of a computer that performs most of the processing inside a computer.

Higher Voltage

A term referring to electrical power at a greater potential difference, which can enhance the performance or capability of electrical devices but may require special handling.