According to the Empirical Rule,if the Data Form a "Bell-Shaped

question 56

Multiple Choice

According to the empirical rule,if the data form a "bell-shaped" normal distribution,percent of the observations will be contained within 3 standard deviations around the arithmetic mean.

• A)68.26
• B)75.00
• C)95.0
• D)99.7

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Definitions:

Normal Curve

A bell-shaped curve that represents a distribution of values, means, or variables symmetrically clustered around the mean.

Observation

The action or process of closely monitoring or noting phenomena as they occur in a systematic manner for data collection.

Chi-square Statistic

A measure used in statistics to evaluate how well observed data fit expected outcomes under a specific hypothesis, often related to categorical data.

Degrees Of Freedom

The number of independent values or quantities which can be assigned to a statistical distribution.