A Researcher Wished to Evaluate the Operating Life of a Certain

question 99

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.
-For the following set of scores, calculate the standard deviation:. 13, 14, 12, 15, 10, 7, 12

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Definitions:

Product Lines

Groups of related products marketed by a company, each serving a similar function or market.

SWOT Analysis

A strategic planning tool that assesses Strengths, Weaknesses, Opportunities, and Threats related to a business or project.

Planning Phase

The initial stage in a project or strategic plan where goals are defined, and courses of action are developed.

Strategic Marketing Process

A systematic approach to identifying opportunities, developing marketing strategies, and implementing actions to achieve long-term marketing goals.