The Empirical Rule States That the Approximate Percentage of Measurements

question 115

Multiple Choice

The Empirical Rule states that the approximate percentage of measurements in a data set (providing that the data set has a bell shaped distribution) that fall within two standard deviations of their mean is approximately:

• A)68%.
• B)75%.
• C)95%.
• D)99%.

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Definitions:

Standard Deviation

A measure of the amount of variation or dispersion of a set of values, indicating how much individual data points deviate from the mean.

Confidence Interval

A collection of values from sample statistics, which is anticipated to capture the value of an obscure population parameter.

Population Mean

The average of all the values in a population, providing a summary measure of the population's central tendency.

CEOs

Chief Executive Officers, the highest-ranking executives in companies, responsible for making major corporate decisions, managing overall operations, and acting as the main point of communication between the board of directors and corporate operations.