The Variance of a Sample of 100 Observations Equals 64

question 78

Multiple Choice

The variance of a sample of 100 observations equals 64. The standard deviation of the sample equals

• A) 8.
• B) 10.
• C) 4096.
• D) 10,000.

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Definitions:

Color Code

A system of colors used to identify values, such as electrical resistances, or to differentiate wires in cabling and electronics.

Wires

Wires are thin strands of metal used to conduct electricity, connecting different components of an electrical circuit or system.

Diagram

A simplified drawing or plan that represents the components or workings of something, showing how it operates or how it is structured.

Low Voltages

Electrical systems or components designed to operate at relatively low voltages, typically below 1000 volts.