The Four Basic Methods Used to Obtain Samples Are: Random

question 24

True/False

The four basic methods used to obtain samples are: random, irregular, cluster, and stratified.

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Definitions:

Statistic

A numerical measure that describes a characteristic of a sample, which is often used to estimate the corresponding parameter in the population.

Unknown Parameter

A value in a statistical model that must be estimated from the data because it is not known beforehand.

Sample Standard Deviations

Statistical measures that estimate the amount of variation or dispersion of a set of sample data points.

Variability

The extent to which data points in a statistical distribution or dataset differ from each other and from the mean or median of the data.