The "Refer a Friend" Model of Sampling Is Known As

question 62

Multiple Choice

The "refer a friend" model of sampling is known as:

• A) quota sampling.
• B) convenience sampling.
• C) stratified random sampling.
• D) snowball sampling.

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Definitions:

Sample Proportion

The fraction of the sample that represents a particular outcome or attribute.

Test Statistic

A measurement derived from sampled data in a hypothesis test, employed to decide if the null hypothesis should be dismissed.

P-Value

The probability of observing a test statistic as extreme as, or more than, what was actually observed, assuming that the null hypothesis is true.

Null Hypothesis

A hypothesis that proposes no statistical significance between the two studied groups, assuming that any observed difference is due to sampling or experimental error.