Statistical Methods That Require, Among Other Assumptions, That the Populations

question 138

Multiple Choice

Statistical methods that require, among other assumptions, that the populations be normally distributed are known as:

• A) distribution-free techniques
• B) nonparametric techniques
• C) parametric techniques
• D) distribution-free techniques and nonparametric techniques
• E) none of these

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Definitions:

Sampling Distribution

This is the probability distribution of a given statistic based on a random sample.

Variance

A measure of the spread or dispersion of a set of data points, indicating how much the values differ from the mean of the set.

Standard Deviation

A statistical index that quantifies the spread or dispersion of a dataset relative to its mean, indicating how spread out the data points are.

Simple Random Sample

A sampling method where each member of the population has an equal chance of being selected, minimizing bias and ensuring representativeness.