Which Statement Is False About the Wilcoxon Signed-Ranks Test

question 19

Multiple Choice

Which statement is false about the Wilcoxon signed-ranks test?

• A) It is used for testing a claim that a population of matched pairs has the property that the
• Matched pairs have differences with a median equal to zero.
• B) It is used for testing a claim that a single population of individual values has a median
• Equal to some claimed value.
• C) It is used for testing a claim that a single population of individual values has a mean
• Equal to some claimed value.
• D) It is a nonparametric test.

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Definitions:

Coefficient

An unchanging quantity or constant that is placed in front of and multiplies a variable within an algebraic expression.

Multiple Regression

A method in statistics that predicts how a dependent variable changes based on two or more independent variables.

Blood Pressure

The pressure of circulating blood on the walls of blood vessels, often measured for health assessment.

Significance Level

A significance level is a threshold in hypothesis testing that determines the probability of rejecting the null hypothesis when it is actually true, often denoted by alpha.