Examlex
What term is used to refer to the size and shape of the beam emanating from the X-ray tube and passing through the patient?
Null Hypothesis
A statement in statistical analysis that proposes there is no difference or effect, serving as the default position until evidence indicates otherwise.
Wilcoxon Rank Sum Test
A non-parametric statistical hypothesis test used to compare two independent samples, based on the ranks of their combined observations.
Standard Deviation
A tool to evaluate the distribution's breadth or heterogeneity of a set of data.
Wilcoxon Rank Sum Test
A non-parametric statistical test used to compare two independent samples to determine if they come from the same distribution.
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