The Empirical Rule States That Approximately 95

question 79

True/False

The empirical rule states that approximately 95.9% of values in a data set will be within two standard deviations of the mean if the data follows a bell-shaped curve.

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Definitions:

Nonparametric Procedures

Statistical methods that do not assume a specific distribution form for the data and are used when data doesn't meet the assumptions of parametric tests.

Distribution-free Procedures

Statistical methods that do not require assumptions about the specific distribution of the population from which the sample is drawn.

Non-Normal Procedures

Statistical methods that do not assume the normal distribution of the data and are used for analysis.

One-sample T Statistic

A statistical measure used to test the hypothesis about the mean of a normally distributed population when the population variance is unknown, based on a sample.