A Researcher Wished to Evaluate the Operating Life of a Certain

question 85

Short Answer

A researcher wished to evaluate the operating life of a certain brand of storage battery. A group of 30, brand-new batteries was selected and placed in 30 identical automobiles. The lights in each automobile were then turned on (without running the engines), and the length of time before the batteries were fully discharged (lights went out) was recorded. The scores, in hours, were: 15, 10, 20, 18, 18, 11, 11, 11, 11, 12, 12, 12, 10, 9, 9, 8, 9, 9, 11, 11, 11, 15, 12, 12, 12, 10, 12, 12, 15, 12.
-Calculate the standard deviation.

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Definitions:

Low-status Employees

Workers within an organization who hold positions that are considered lower in rank, power, or social standing.

High-status Employees

Individuals within an organization who hold positions of high rank or esteem and typically possess significant influence or authority.

Stigma

A social phenomenon where individuals are devalued or discriminated against based on a characteristic that is seen as distinguishing them from the societal norm.

Perceptual Process

The sequence of steps that includes receiving, selecting, organizing, and interpreting sensory information.