A Researcher Wished to Evaluate the Operating Life of a Certain

question 83

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 mean.

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Definitions:

Friendliness

The quality of being kind, pleasant, and supportive towards others.

Organizational Commitment

refers to the emotional or psychological attachment an employee has towards their organization, influencing their willingness to continue working there.

Affective

relates to emotions or feelings, often describing aspects of behavior or experiences that are influenced by mood or emotional states.

Perceptual

Relates to the way sensory information is interpreted and understood by the brain.