What Type of Joint Is the Elbow Joint

question 25

Multiple Choice

What type of joint is the elbow joint?

• A) pivot
• B) ball and socket
• C) hinge
• D) gliding

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Definitions:

Test Statistic

A statistic used to estimate the parameter of interest in a statistical hypothesis test.

Kruskal-Wallis Test

A nonparametric statistical test used to compare three or more groups based on ranked data. It is an extension of the Mann-Whitney U test for more than two groups.

Null Hypothesis

The hypothesis in statistical analysis that proposes there is no significant difference or relationship between specified populations, any observed difference being due to sampling or experimental error.

Distribution

A statistical term describing the way values of a variable are spread or dispersed across a range.