For a Particular Aptitude Test,the Mean Score Was 83

question 126

Essay

For a particular aptitude test,the mean score was 83.2.Suppose you were told that your score of 87 placed you in the 85^th percentile.Assuming the data is bell-shaped,provide an estimate of the standard deviation of the test.

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Definitions:

Cellphone Communication

The transmission of information using cellular technology, enabling voice and data exchange over a distance via mobile devices.

Time Zones

Geographic regions defined by the same standard time, resulting from the division of the Earth's surface into zones of equal time offset from Coordinated Universal Time (UTC).

Voice Mail Technology

A system that allows users to exchange personal voice messages using a phone or a computer.

Data Mining

Data mining is the process of analyzing large datasets to discover patterns, trends, and relationships that can inform decision-making.