An Extraneous Variable Is Any Variable That Is Part of a Research

question 33

True/False

An extraneous variable is any variable that is part of a research study but not directly investigated.

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Definitions:

Level Of Significance

A threshold in statistical testing that determines whether an observed result is statistically significant, typically denoted by alpha (α).

Consumer Ratings

Evaluations or reviews given by consumers regarding the quality, performance, or satisfaction of a product or service.

Formulas

Mathematical expressions that provide a set of rules or operations for solving problems.

Wilcoxon Rank Sum Test

A non-parametric statistical test used to compare two independent samples to assess whether their population mean ranks differ.