In a Research Project, When the Sample Used Is Not

question 92

True/False

In a research project, when the sample used is not random, selection bias occurs.

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Definitions:

Null Hypothesis

A statistical hypothesis that assumes no significant difference or effect exists between certain characteristics of a population or data set.

PHStat

An Excel add-in that enhances and expands the statistical capabilities of Microsoft Excel by providing tools for statistical analysis.

Variances

Statistical measures that indicate the dispersion of data points in a dataset relative to the mean, signifying the spread of data.

Success Rates

The proportion or percentage of attempts that result in success, commonly used in the context of clinical trials, educational exams, or business ventures.